{"id":380,"date":"2021-05-31T03:40:00","date_gmt":"2021-05-31T03:40:00","guid":{"rendered":""},"modified":"2023-10-22T08:28:03","modified_gmt":"2023-10-22T08:28:03","slug":"12-%e0%a4%aa%e0%a4%b0%e0%a4%ae%e0%a4%be%e0%a4%a3%e0%a5%81-2","status":"publish","type":"post","link":"https:\/\/class12.studyguruji.in\/?p=380","title":{"rendered":"12. \u092a\u0930\u092e\u093e\u0923\u0941"},"content":{"rendered":"

1.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0940 \u0915\u094c\u0928-\u0938\u0940 \u0936\u094d\u0930\u0947\u0923\u0940 \u0926\u0943\u0936\u094d\u092f \u092d\u093e\u0917 \u092e\u0947\u0902 \u092a\u0921\u093c\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0932\u093e\u0907\u092e\u0928 \u0936\u094d\u0930\u0947\u0923\u0940<\/span>
\n(B)\u00a0\u092c\u093e\u092e\u0930 \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u093e\u0936\u094d\u091a\u0928 \u0936\u094d\u0930\u0947\u0923\u0940 .<\/span>
\n(D)\u00a0\u092c\u094d\u0930\u0948\u0915\u091f \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

2.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u093f\u0938 \u0935\u0948\u091c\u094d\u091e\u093e\u0928\u093f\u0915 \u0928\u0947 \u0915\u094d\u0935\u093e\u0902\u091f\u092e \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u093e \u092a\u094d\u0930\u0924\u093f\u092a\u093e\u0926\u0928 \u0915\u093f\u092f\u093e \u0925\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0930\u0926\u0930\u092b\u094b\u0930\u094d\u0921 \u0928\u0947<\/span>
\n(B)\u00a0\u092c\u094b\u0930 \u0928\u0947<\/span>
\n(C)\u00a0\u0921\u093e\u0932\u094d\u091f\u0928 \u0928\u0947<\/span>
\n(D)\u00a0\u092a\u094d\u0932\u093e\u0902\u0915 \u0928\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

3.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u0940 \u0905\u0928\u093f\u0936\u094d\u091a\u093f\u0924\u0924\u093e \u0915\u093e \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u092c\u093e\u0930 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0949\u0921\u0932<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092e\u0947\u0902 \u0928\u093f\u0939\u093f\u0924 \u0939\u0948<\/span>
\n(B)\u00a0\u0915\u0947 \u0935\u093f\u0930\u0941\u0926\u094d\u0927 \u0939\u0948\u0964<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

4. 300\u00a0\u0930\u093f\u0921\u0935\u0930\u094d\u0917 \u0928\u093f\u092f\u0924\u093e\u0902\u0915 \u0915\u093e \u092e\u093e\u0928 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) 1.097 x 10-7<\/sup>\u00a0m-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(B) 6.023 x 10-23<\/sup>\u00a0m-1<\/sup>
\n(C) 6.67 x 10-1<\/sup>\u00a0m-1<\/sup>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

5.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0940 \u0915\u094c\u0928-\u0938\u0940 \u0936\u094d\u0930\u0947\u0923\u0940 \u0926\u0943\u0936\u094d\u092f \u092d\u093e\u0917 \u092e\u0947\u0902 \u092a\u0921\u093c\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0932\u093e\u0908\u0917\u0928 \u0936\u094d\u0930\u0947\u0923\u0940<\/span>
\n(B)\u00a0\u092c\u093e\u0932\u094d\u092e\u0930 \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u093e\u0936\u094d\u091a\u0928 \u0936\u094d\u0930\u0947\u0923\u0940<\/span>
\n(D)\u00a0\u092c\u094d\u0930\u0948\u0915\u0947\u091f \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

6.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0947 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u0928 \u092e\u0947\u0902 \u092c\u093e\u092e\u0930 \u0936\u094d\u0930\u0947\u0923\u093f\u092f\u093e\u0901 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0926\u0943\u0936\u094d\u092f \u092a\u0930\u093f\u0938\u0930 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0905\u0935\u0930\u0915\u094d\u0924 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902<\/span>
\n(C)\u00a0\u092a\u0930\u092c\u0948\u0902\u0917\u0928\u0940 \u092a\u0930\u093f\u0938\u0930 \u092e\u0947\u0902<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

7.\u00a0\u0932\u0947\u091c\u0930 \u0915\u0940 \u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u091c\u0930\u0942\u0930\u0940 \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u0902\u0916\u094d\u092f\u093e \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0909\u091a\u094d\u091a \u0924\u093e\u092a<\/span>
\n(C)\u00a0\u0928\u093f\u092e\u094d\u0928 \u0924\u093e\u092a<\/span>
\n(D)\u00a0\u0905\u0930\u094d\u0926\u094d\u0927\u091a\u093e\u0932\u0915<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

8.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0940 \u0915\u094c\u0928-\u0938\u0940 \u0936\u094d\u0930\u0947\u0923\u0940 \u0905\u0935\u0930\u0915\u094d\u0924 \u092d\u093e\u0917 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u092a\u0921\u093c\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0939\u092e\u094d\u092b\u094d\u0930\u0940 \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u092b\u0941\u0921 \u0936\u094d\u0930\u0947\u0923\u0940<\/span>
\n(C)\u00a0\u092c\u094d\u0930\u0948\u0915\u0947\u091f \u0936\u094d\u0930\u0947\u0923\u0940<\/span>
\n(D)\u00a0\u0932\u093e\u0907\u092e\u0928 \u0936\u094d\u0930\u0947\u0923\u0940<\/span><\/span><\/span><\/p>\n

9.\u00a0\u0917\u0948\u0938 \u091a\u093e\u0932\u0915\u0924\u093e \u0924\u092c \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948<\/span>,\u00a0\u091c\u092c<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0926\u093e\u092c \u092c\u0922\u093c\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0926\u093e\u092c \u0915\u092e \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0924\u093e\u092a \u092c\u0922\u093c\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0924\u093e\u092a \u0915\u092e \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

10.\u00a0\u0915\u0948\u0925\u094b\u0921 \u0915\u093f\u0930\u0923\u0947\u0902 \u0939\u0948\u0902<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0935\u093f\u0926\u094d\u092f\u0941\u0924\u094d \u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u0915\u093f\u0930\u0923\u0947\u0902<\/span>
\n(B)\u00a0\u0927\u0928 \u0906\u0935\u093f\u0937\u094d\u091f \u0915\u0923<\/span>
\n(C)\u00a0\u0905\u0928\u093e\u0935\u093f\u0937\u094d\u091f \u0915\u0923<\/span>
\n(D)\u00a0\u090b\u0923-\u0906\u0935\u093f\u0937\u094d\u091f \u0915\u0923<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

11.\u00a0\u092c\u094b\u0930 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0949\u0921\u0932 \u092e\u093e\u0928\u094d\u092f \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u0947\u0935\u0932 \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941-\u0938\u0902\u0916\u094d\u092f\u093e \u0935\u093e\u0932\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0947 \u0932\u093f\u090f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0905\u0927\u093f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u0902\u0916\u094d\u092f\u093e \u0935\u093e\u0932\u0947<\/span>
\n(C)\u00a0\u091a\u093e\u0930 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u0902\u0916\u094d\u092f\u093e \u0935\u093e\u0932\u0947 \u0924\u0924\u094d\u0924\u094d\u0935 \u0915\u0947 \u0932\u093f\u090f<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

12.\u00a0\u092c\u094b\u0930 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u091c\u092c \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093f\u0938\u0940 \u0909\u091a\u094d\u091a \u0915\u0915\u094d\u0937\u093e \u0938\u0947 \u0924\u0940\u0938\u0930\u0947 \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0909\u091b\u0932\u0924\u093e \u0939\u0948 \u0924\u094b \u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u093f\u0924 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u0932 \u0930\u0947\u0916\u093e\u090f\u0901 \u0915\u0939\u0932\u093e\u0924\u0940 \u0939\u0948\u0902<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092c\u093e\u092e\u0930 \u0936\u094d\u0930\u0947\u0923\u093f\u092f\u093e\u0901<\/span>
\n(B)\u00a0\u092a\u093e\u0936\u094d\u091a\u0947\u0928 \u0936\u094d\u0930\u0947\u0923\u093f\u092f\u093e\u0901<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0932\u093e\u0907\u092e\u0947\u0928 \u0936\u094d\u0930\u0947\u0923\u093f\u092f\u093e\u0901<\/span>
\n(D)\u00a0\u092b\u0902\u0921 \u0936\u094d\u0930\u0947\u0923\u093f\u092f\u093e\u0901<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

13.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0947 \u0926\u0943\u0936\u094d\u092f \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u0915\u093e \u0905\u0927\u094d\u092f\u092f\u0928 \u0938\u0930\u094d\u0935\u092a\u094d\u0930\u0925\u092e \u0915\u093f\u0938\u0928\u0947 \u0915\u093f\u092f\u093e \u0925\u093e<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092c\u093e\u092e\u0930<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0932\u093e\u0907\u092e\u0928<\/span>
\n(C)\u00a0\u092c\u094d\u0930\u0948\u0915\u0947\u091f<\/span>
\n(D)\u00a0\u092b\u0941\u0923\u094d\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

14.\u00a0\u091c\u092c \u0939\u0940\u0932\u093f\u092f\u092e \u0915\u093e \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094b \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u094b\u0902 \u0915\u094b \u0916\u094b \u0926\u0947\u0924\u093e \u0939\u0948 \u0924\u094b \u0935\u0939 \u092c\u0926\u0932 \u091c\u093e\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0<\/span>\u03b1<\/span>–\u0915\u0923 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0928\u094d\u092f\u0942\u091f\u094d\u0930\u0949\u0928 \u092e\u0947\u0902<\/span>
\n(C)\u00a0\u092a\u094d\u0930\u094b\u091f\u0949\u0928 \u092e\u0947\u0902<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

15.\u00a0\u0915\u0948\u0925\u094b\u0921 \u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u0947 \u0917\u0941\u0923 \u0928\u093f\u0915\u091f\u0924\u092e \u0939\u094b\u0924\u0947 \u0939\u0948\u0902<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0<\/span>\u03b3<\/span>–\u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u0947<\/span>
\n(B)\u00a0<\/span>\u03b1<\/span>–\u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u0947<\/span>
\n(C)\u00a0<\/span>\u03b2<\/span>–\u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) x-\u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

16.\u00a0\u0915\u0948\u0925\u094b\u0921 \u0915\u093f\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u0928\u093f\u0939\u093f\u0924 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0924\u0947\u091c \u0927\u0928\u093e\u0935\u093f\u0937\u094d\u091f \u0915\u0923\u094b\u0902 \u0915\u0940 \u0927\u093e\u0930\u093e<\/span>
\n(B)\u00a0\u092e\u0902\u0926 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u094b\u0902 \u0915\u0940 \u0927\u093e\u0930\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u094d\u0930\u0915\u093e\u0936 \u0915\u093e \u092a\u0941\u0901\u091c<\/span>
\n(D)\u00a0\u0924\u0940\u0935\u094d\u0930 \u092a\u094d\u0930\u094b\u091f\u0949\u0928 \u0915\u0940 \u0927\u093e\u0930\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

17.\u00a0\u092c\u094b\u0930 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0949\u0921\u0932 \u0938\u092b\u0932 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0930\u0947\u0916\u093f\u0932 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0938\u0902\u0924\u0924\u094d \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u093e<\/span>
\n(C)\u00a0\u0905\u0935\u0930\u0915\u094d\u0924 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u093e<\/span>
\n(D)\u00a0\u0938\u092d\u0940 \u0915\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

18.\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u094b\u0902 \u0915\u0947 \u0906\u0935\u0947\u0936 \u0915\u093e \u092e\u093e\u0928 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) 2 x 10-21<\/sup>\u00a0C
\n(B) 1.6 x 10-19<\/sup>\u00a0C<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 1.6 x 10-9<\/sup>\u00a0C
\n(D) 1.6 x 10-11<\/sup>\u00a0C<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

19.\u00a0\u091f\u0949\u092e\u0938\u0928 \u0935\u093f\u0927\u093f \u0926\u094d\u0935\u093e\u0930\u093e \u091c\u094d\u091e\u093e\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u0902\u0935\u0947\u0917<\/span>
\n(B)\u00a0\u0906\u0935\u0947\u0936<\/span>
\n(C)\u00a0\u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928<\/span>
\n(D)\u00a0\u0906\u0935\u0947\u0936 \u0924\u0925\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u0905\u0928\u0941\u092a\u093e\u0924<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

20.\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0935\u094b\u0932\u094d\u091f (<\/span>eV)\u00a0\u092e\u093e\u092a\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0906\u0935\u0947\u0936<\/span>
\n(B)\u00a0\u0935\u093f\u092d\u0935\u093e\u0902\u0924\u0930<\/span>
\n(C)\u00a0\u0927\u093e\u0930\u093e<\/span>
\n(D)\u00a0\u090a\u0930\u094d\u091c\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

21.\u00a0<\/span><\/b>\u03b1<\/span><\/b>–\u092a\u094d\u0930\u0915\u0940\u0930\u094d\u0923\u0928 \u092a\u094d\u0930\u092f\u094b\u0917 \u092e\u0947\u0902<\/span>\u00a0<\/span><\/b>\u03b1<\/span><\/b>–\u0915\u0923\u094b\u0902 \u0915\u0947 \u092a\u094d\u0930\u0915\u0940\u0930\u094d\u0923\u0928 \u0915\u093e \u0915\u093e\u0930\u0923 \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u093e\u092d\u093f\u0915 \u0926\u094d\u0935\u093e\u0930\u093e \u0932\u0917\u093e \u0906\u0915\u0930\u094d\u0937\u0923 \u092c\u0932<\/span>
\n(B)\u00a0\u0928\u093e\u092d\u093f\u0915 \u0926\u094d\u0935\u093e\u0930\u093e \u0932\u0917\u093e \u0935\u093f\u0915\u0930\u094d\u0937\u0923 \u092c\u0932<\/span>
\n(C)\u00a0\u0928\u093e\u092d\u093f\u0915 \u0915\u0947 \u0928\u094d\u092f\u0942\u091f\u094d\u0930\u0949\u0928 \u0926\u094d\u0935\u093e\u0930\u093e \u0932\u0917\u093e \u092c\u0932<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

22.\u00a0\u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u093e \u0928\u093e\u092d\u093f\u0915 \u092c\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092a\u094d\u0930\u094b\u091f\u0949\u0928\u094b\u0902 \u0938\u0947<\/span>
\n(B)\u00a0\u092a\u094d\u0930\u094b\u091f\u0949\u0928 \u090f\u0935\u092e\u094d \u0928\u094d\u092f\u0942\u091f\u094d\u0930\u0949\u0928 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u090f\u0932\u094d\u092b\u093e \u0915\u0923 \u0938\u0947<\/span>
\n(D)\u00a0\u092a\u094d\u0930\u094b\u091f\u0949\u0928 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0938\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

23.\u00a0\u0930\u0926\u0930\u092b\u094b\u0930\u094d\u0921 \u0915\u093e \u092a\u094d\u0930\u0915\u0940\u0930\u094d\u0923\u0928 \u092a\u094d\u0930\u092f\u094b\u0917 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u093f\u0938\u0915\u093e \u0905\u0938\u094d\u0924\u093f\u0924\u094d\u0935 \u0938\u093f\u0926\u094d\u0927 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u090b\u0923\u093e\u0935\u0947\u0936\u093f\u0924 \u0928\u093e\u092d\u093f\u0915 \u0915\u093e<\/span>
\n(B)\u00a0\u0927\u0928\u093e\u0935\u093f\u0937\u094d\u091f \u0928\u093e\u092d\u093f\u0915 \u0915\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0928\u093e\u092d\u093f\u0915 \u092e\u0947\u0902 \u0928\u094d\u092f\u0942\u091f\u094d\u0930\u0949\u0928 \u0915\u093e<\/span>
\n(D)\u00a0\u092a\u0930\u092e\u093e\u0923\u0941 \u0927\u0928 \u0906\u0935\u0947\u0936 \u0915\u0947 \u0938\u092e \u0935\u093f\u092d\u093e\u091c\u0928 \u0915\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

24.\u00a0\u092c\u094b\u0930 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0949\u0921\u0932 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0909\u0928\u094d\u0939\u0940\u0902 \u0915\u0915\u094d\u0937\u093e\u0913\u0902 \u092e\u0947\u0902 \u092a\u0930\u093f\u0915\u094d\u0930\u092e\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u093f\u0928\u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0915\u094b\u0923\u0940\u092f \u0938\u0902\u0935\u0947\u0917<\/span>\u00a0h<\/i>\/2<\/span><\/b>\u03c0<\/span><\/b>\u00a0\u0915\u093e \u0939\u094b<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u092e \u0938\u0902\u0916\u094d\u092f\u093e \u0917\u0941\u0923\u091c<\/span>
\n(B)\u00a0\u0935\u093f\u0937\u092e \u0938\u0902\u0916\u094d\u092f\u093e \u0917\u0941\u0923\u091c<\/span>
\n(C)\u00a0\u090f\u0915 \u092a\u0942\u0930\u094d\u0923\u093e\u0902\u0915 \u0938\u0902\u0916\u094d\u092f\u093e \u0917\u0941\u0923\u091c<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

25.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0940 \u092e\u0942\u0932 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u0947 \u0935\u0947\u0917 \u0915\u093e \u092a\u0930\u093f\u092e\u093e\u0923 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0C\u00a0<\/i>\/2
\n(B)\u00a0C<\/i>\u00a0\/137<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 2C\u00a0<\/i>\/137
\n(D)\u00a0C\u00a0<\/i>\/237<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

26.\u00a0\u0928\u093f\u092e\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u0938\u0902\u0915\u094d\u0930\u092e\u0923 \u092e\u0947\u0902 \u0924\u0930\u0902\u0917\u0926\u0948\u0930\u094d\u0918\u094d\u092f \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0939\u094b\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0n<\/i>\u00a0= 5\u00a0\u0938\u0947<\/span>\u00a0n<\/i>\u00a0= 4
\n(B)\u00a0n<\/i>\u00a0= 4\u00a0\u0938\u0947<\/span>\u00a0n<\/i>\u00a0= 3
\n(C)\u00a0n<\/i>\u00a0= 3\u00a0\u0938\u0947<\/span>\u00a0n<\/i>\u00a0= 2
\n(D)\u00a0n<\/i>\u00a0= 2\u00a0\u0938\u0947<\/span>\u00a0n<\/i>\u00a0= 1<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

27.\u00a0\u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u092f\u093e \u0906\u092f\u0928 \u0915\u0940 \u092e\u0942\u0932 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u090a\u0930\u094d\u091c\u093e –<\/span>54.4ev\u00a0\u092f\u0939 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948:<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928<\/span>
\n(B)\u00a0\u0921\u092f\u0942\u091f\u0947\u0930\u093f\u092f\u092e<\/span>
\n(C) He+<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) Li++<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

28. 1\u00a0\u092e\u0947\u0917\u093e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0935\u094b\u0932\u094d\u091f \u090a\u0930\u094d\u091c\u093e \u0935\u093e\u0932\u0947 \u092b\u094b\u091f\u0949\u0928 \u0915\u093e \u0938\u0902\u0935\u0947\u0917 \u0939\u094b\u0917\u093e :<\/span><\/span><\/b><\/span><\/p>\n

(A) 10-22<\/sup>\u00a0kgm\/s
\n(B) 10-26<\/sup>\u00a0kgm\/s
\n(C) 5 x 10-22<\/sup>\u00a0kgm\/s<\/span>\u00a0\u2713<\/span><\/b>
\n(D) 7 x 10-24<\/sup>\u00a0kgm\/s<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

29.\u00a0\u0930\u093f\u0921\u092c\u0930\u094d\u0917 \u0928\u093f\u092f\u0924\u093e\u0902\u0915<\/span>\u00a0R\u00a0\u090f\u0935\u0902 \u092a\u094d\u0930\u0915\u093e\u0936 \u0915\u0940 \u091a\u093e\u0932<\/span>\u00a0c\u00a0\u0939\u094b \u0924\u094b<\/span>\u00a0RC\u00a0\u0915\u093e \u092e\u093e\u0924\u094d\u0930\u0915 \u0939\u094b\u0917\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A) m-1<\/sup>
\n(B) s-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(C) kg-1<\/sup>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

30.\u00a0\u091c\u092c \u0915\u094b\u0908 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0905\u092a\u0928\u0940 \u0928\u093f\u092e\u094d\u0928\u0924\u092e \u090a\u0930\u094d\u091c\u093e \u0905\u0935\u0938\u094d\u0925\u093e \u0938\u0947 \u0909\u0926\u094d\u0926\u0940\u092a\u094d\u0924 \u0939\u094b\u0915\u0930 \u091a\u0924\u0941\u0930\u094d\u0925 \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0906 \u091c\u093e\u0924\u0940 \u0939\u0948 \u0924\u094b \u092f\u0939 \u0905\u0927\u093f\u0915\u0924\u092e \u0915\u093f\u0924\u0928\u0940 \u0935\u0930\u094d\u0923\u0915\u094d\u0930\u092e \u0930\u0947\u0916\u093e\u090f\u0902 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 6<\/span>\u00a0\u2713<\/span><\/b>
\n(B) 4
\n(C) 3
\n(D) 1<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

31.\u00a0\u091c\u092c \u0915\u094b\u0908 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0947\u0902 \u0924\u0943\u0924\u0940\u092f \u0915\u0915\u094d\u0937\u093e \u0938\u0947 \u0926\u094d\u0935\u093f\u0924\u0940\u092f \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0906 \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u094b \u092e\u0941\u0915\u094d\u0924 \u090a\u0930\u094d\u091c\u093e \u0939\u094b\u0917\u0940 :<\/span><\/span><\/b><\/span><\/p>\n

(A) 1.51\u00a0e<\/i>v
\n(B) 3.4\u00a0e<\/i>v
\n(C) 1.89\u00a0e<\/i>v<\/span>\u00a0\u2713<\/span><\/b>
\n(D) 0.54\u00a0e<\/i>v<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

32.\u00a0\u092f\u0926\u093f \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0906\u0935\u0930\u094d\u0924\u0915\u093e\u0932 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0947 \u092a\u094d\u0930\u0925\u092e \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902<\/span>\u00a0T<\/i>\u00a0\u0939\u094b \u0924\u094b \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0906\u0935\u0930\u094d\u0924\u0915\u093e\u0932 \u0926\u094d\u0935\u093f\u0924\u0940\u092f \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0939\u094b\u0917\u093e :<\/span><\/span><\/b><\/span><\/p>\n

(A) T
\n(B) 2T
\n(C) 4T
\n(D) 8T<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

33.\u00a0\u090f\u0915 \u0935\u093f\u0938\u0930\u094d\u091c\u0928 \u0928\u0932\u0940 \u092e\u0947\u0902<\/span>\u00a0n<\/i>\u00a0= 4\u00a0\u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0938\u094d\u0925\u093f\u0924 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u0940 \u0915\u0942\u0926\u093e\u0928 \u0938\u0947 \u0915\u093f\u0924\u0928\u0940 \u0930\u0947\u0916\u093e\u090f\u0901 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u093f\u0924 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 1
\n(B) 2
\n(C) 6<\/span>\u00a0\u2713<\/span><\/b>
\n(D) 8<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

34.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938<\/span>\u00a0transition\u00a0\u092e\u0947\u0902 \u0924\u0930\u0902\u0917\u0926\u0948\u0930\u094d\u0918\u094d\u092f \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0939\u094b\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0n<\/i>\u00a0= 5 to\u00a0n<\/i>\u00a0= 4
\n(B)\u00a0n<\/i>\u00a0= 4 to\u00a0n<\/i>\u00a0= 3
\n(C)\u00a0n<\/i>\u00a0= 3 to\u00a0n<\/i>\u00a0= 4
\n(D)\u00a0n<\/i>\u00a0= 2 to\u00a0n<\/i>\u00a0= 1<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

35.\u00a0<\/span><\/b>\u03b2<\/span><\/b>–\u0915\u093f\u0930\u0923\u094b\u0902 \u0935\u093f\u0915\u094d\u0937\u0947\u092a\u093f\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0917\u0941\u0930\u0941\u0924\u094d\u0935\u093e\u0915\u0930\u094d\u0937\u0923 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902<\/span>
\n(B)\u00a0\u0915\u0947\u0935\u0932 \u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902<\/span>
\n(C)\u00a0\u0915\u0947\u0935\u0932 \u0935\u093f\u0926\u094d\u092f\u0941\u0924\u0940\u092f \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902<\/span>
\n(D)\u00a0\u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u090f\u0935\u0902 \u0935\u093f\u0926\u094d\u092f\u0941\u0924\u0940\u092f \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

36.\u00a0m<\/i>\u00a0\u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0924\u0925\u093e<\/span>\u00a0e<\/i>\u00a0\u0915\u0942\u0932\u0949\u092e \u0906\u0935\u0947\u0936 \u0915\u093e \u090f\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u0938\u0947<\/span>\u00a0V<\/i>\u00a0\u0935\u094b\u0932\u094d\u091f \u0915\u0947 \u0935\u093f\u092d\u0935\u093e\u0902\u0924\u0930 \u0938\u0947 \u0939\u094b\u0915\u0930 \u0917\u0941\u091c\u0930\u0924\u093e \u0939\u0948 \u0907\u0938\u0915\u0940 \u0905\u0902\u0924\u093f\u092e \u092e\u0939\u0924\u094d\u0924\u092e \u090a\u0930\u094d\u091c\u093e \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) e\/m<\/i>\u00a0\u091c\u0942\u0932<\/span>
\n(B)\u00a0m<\/i>eV<\/i>\u00a0\u091c\u0942\u0932<\/span>
\n(C) eV<\/i>\/m<\/i>\u00a0\u091c\u0942\u0932<\/span>
\n(D) eV<\/i>\u00a0\u091c\u0942\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

37.\u00a0\u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0947\u0902 \u0935\u0943\u0924\u094d\u0924\u0940\u092f \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093f\u0938 \u092c\u0932 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0918\u0942\u092e\u0924\u0947 \u0939\u0948\u0902<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u093e\u092d\u093f\u0915\u0940\u092f \u092c\u0932<\/span>
\n(B)\u00a0\u0917\u0941\u0930\u0941\u0924\u094d\u0935\u093e\u0915\u0930\u094d\u0937\u0923 \u092c\u0932<\/span>
\n(C)\u00a0\u0915\u0942\u0932\u0949\u092e \u092c\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

38.\u00a0\u0930\u093f\u0921\u092c\u0930\u094d\u0917 \u0928\u093f\u092f\u0924\u093e\u0902\u0915 \u0915\u093e \u092e\u093e\u0924\u094d\u0930\u0915 \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0m<\/i>-1<\/sup>\u00a0(\u092a\u094d\u0930\u0924\u093f \u092e\u0940\u091f\u0930)<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0m<\/i>\u00a0(\u092e\u0940\u091f\u0930)<\/span>
\n(C) s-1<\/sup>\u00a0(\u092a\u094d\u0930\u0924\u093f \u0938\u0947\u0915\u0947\u0923\u094d\u0921)<\/span>
\n(D) s (\u0938\u0947\u0915\u0947\u0923\u094d\u0921)<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

39.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0915\u094b\u0923\u0940\u092f \u0938\u0902\u0935\u0947\u0917 \u0939\u094b\u0917\u093e<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0h<\/i>\/<\/span>\u03c0<\/span>\u00a0Js
\n(B)\u00a0h<\/i>\/2<\/span>\u03c0<\/span>\u00a0Js<\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0h<\/i><\/span>\u03c0<\/span><\/i>\u00a0Js
\n(D) 2<\/span>\u03c0<\/span>h<\/span><\/i>\u00a0Js<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

40.\u00a0\u0915\u093f\u0938\u0940 \u0928\u092e\u0942\u0928\u093e \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u094d\u0930\u092e\u093e\u0902\u0915<\/span>\u00a0Z\u00a0\u0924\u0925\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0938\u0902\u0916\u094d\u092f\u093e<\/span>\u00a0A\u00a0\u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0947\u0902 \u0928\u094d\u092f\u0942\u091f\u094d\u0930\u0949\u0928\u094d\u0938 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0939\u094b\u0917\u0940<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0A
\n(B)\u00a0Z
\n(C)\u00a0A\u00a0+\u00a0Z
\n(D)\u00a0A\u00a0\u2013\u00a0Z<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

41.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0947 \u092a\u094d\u0930\u0925\u092e \u092c\u094b\u0930 \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u0940 \u090a\u0930\u094d\u091c\u093e-<\/span>13.6ev\u00a0\u0939\u0948\u0964 \u0909\u0938\u0915\u0947 \u0926\u0942\u0938\u0930\u0940 \u092c\u094b\u0930 \u0915\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u0940 \u090a\u0930\u094d\u091c\u093e \u0939\u094b\u0917\u0940<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) -3.4eV<\/span>\u00a0\u2713<\/span><\/b>
\n(B) \u20136.8 eV
\n(C) -27.2 eV
\n(D) +3.4eV<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

42.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u0947 \u0924\u0940\u0938\u0930\u0947 \u092c\u094b\u0930 \u0915\u0915\u094d\u0937\u093e \u0915\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0939\u094b\u0924\u0940 \u0939\u0948<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) 4.77 \u00c5<\/span>\u00a0\u2713<\/span><\/b>
\n(B) 6.77 \u00c5
\n(C) 9.2 \u00c5
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

43.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u0938\u0902\u0915\u094d\u0930\u092e\u0923 \u092e\u0947\u0902 \u0924\u0930\u0902\u0917\u0926\u0948\u0930\u094d\u0918\u094d\u092f \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0939\u094b\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0n<\/i>\u00a0= 5 to\u00a0n<\/i>\u00a0= 4
\n(B)\u00a0n<\/i>\u00a0= 4 to\u00a0n<\/i>\u00a0= 3
\n(C)\u00a0n<\/i>\u00a0= 3 to\u00a0n<\/i>\u00a0= 4
\n(D)\u00a0n<\/i>\u00a0= 2 to\u00a0n<\/i>\u00a0= 1<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

44.\u00a0\u0915\u093f\u0938\u0940 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0917\u094d\u0930\u093e\u0909\u0923\u094d\u0921 \u0938\u094d\u091f\u0947\u091f \u0938\u0947 \u092a\u0939\u0932\u0947 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u093f\u0924 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0932\u0947 \u091c\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u090a\u0930\u094d\u091c\u093e \u0939\u094b\u0917\u0940<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A) 10.2 eV<\/span>\u00a0\u2713<\/span><\/b>
\n(B) 13.6 eV
\n(C) 1.2 eV
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

45.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u092e\u0947\u0902 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0915\u094b\u0923\u0940\u092f \u0938\u0902\u0935\u0947\u0917 \u0939\u094b\u0917\u093e<\/span>\u00a0\u2013<\/span><\/b><\/span><\/p>\n

(A)\u00a0h<\/i>
\n(B)\u00a0h<\/i>\/2
\n(C)\u00a0h<\/i>\/2<\/span>\u03c0<\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0h<\/i>\/<\/span>\u03bb<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u0915\u0940 \u0915\u094c\u0928-\u0938\u0940 \u0936\u094d\u0930\u0947\u0923\u0940 \u0926\u0943\u0936\u094d\u092f \u092d\u093e\u0917 \u092e\u0947\u0902 \u092a\u0921\u093c\u0924\u0940 \u0939\u0948\u00a0? (A)\u00a0\u0932\u093e\u0907\u092e\u0928 \u0936\u094d\u0930\u0947\u0923\u0940 (B)\u00a0\u092c\u093e\u092e\u0930 \u0936\u094d\u0930\u0947\u0923\u0940\u00a0\u2713 (C)\u00a0\u092a\u093e\u0936\u094d\u091a\u0928 \u0936\u094d\u0930\u0947\u0923\u0940 . (D)\u00a0\u092c\u094d\u0930\u0948\u0915\u091f \u0936\u094d\u0930\u0947\u0923\u0940 \u00a0<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-380","post","type-post","status-publish","format-standard","hentry","category-physics-objective"],"_links":{"self":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=380"}],"version-history":[{"count":3,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/380\/revisions"}],"predecessor-version":[{"id":1821,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/380\/revisions\/1821"}],"wp:attachment":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}