A. 3.300 B. 1.279 C. 0.932 D. 0.782 Correct Answer: Option D D. 0.782 Explanation R.d = Wt in Air-Wt…
A. mass is a scalar quantity B. weight is a function of the gravitational pull on it C. mass on…
A. the molecules have unlimited freedom of movement B. molecular movement is restricted to vibration only C. intermolecular collisions take…
A. 8kg, 8N B. 1kg, 10N C. 64kg, 10N D. 8kg, 10N Correct Answer: Option D D. 8kg, 10N Explanation…
A. 94 and 238 B. 90 and 236 C. 88 and 234 D. 90 and 234 Correct Answer: Option D…
A. natural radioactivity B. nuclear fission C. nuclear fusion D. chain reaction Correct Answer: Option C C. nuclear fusion
A. protons B. electrons C. neutrons D. photons Correct Answer: Option B B. electrons
A. retains its magnetism for a long time B. is easily magnetized C. reduces energy loss due to hysteresis D.…
A. 0.4m B. 0.8m C. 2.5m D. 5.0m Correct Answer: Option A Explanation L = RA/e=(11×4×10^−8)/(1.1×10^−4) =0.4m
A. The resulting chain reaction which produces a large amount of energy B. no radioactive wave is produced as by-product…