A. string theory B. particle theory C. group theory D. band theory Correct Answer: Option D - band theory
A. (15)/16 B. (1)/16 C. (3)/4 D. (1)/4 Correct Answer: Option A = (15)/16 Explanation 16 days = 4 half…
A. neutral B. massive C. positively charged D. negatively charged Correct Answer: Option A - neutral
A. reverse biased B. forward biased C. amplification. D. rectification Correct Answer: Option B - forward biased
A. photon emission B. photo emission C. thermionic emission D. electron emission Correct Answer: Option C = thermionic emission
A. 1.3 x 10-15 Hz B. 3.1 x 1052 Hz C. 3.2 x 10-53 Hz D. 8.0 x 1014 Hz…
I. Work done by load is always less than the work done by effort. II. All machines are made of…
A. kg m3 s-2 B. kg m2 s-2 C. kg m-3 s-2 D. kg m-1 s-2 Correct Answer: Option D = kg m-1 s-2
A. X and Y are in opposite directions to each other B. X is at an angle of 45° to…
A. 1.13 x 104 ms-1 B. 9.00 x 103 ms-1 C. 8.00 x 103 ms-1 D. 1.27 x 104 ms-1 Correct Answer: Option A…