A. upthrust is equal to the weight of the ball B. ball accelerate uniformly C. upthrust is equal to the…
A. 1.5 ms‾¹ B. 1.4 ms‾¹ C. 2.1 ms‾¹ D. 1.7 ms‾¹ Correct Answer: Option D = 1.7 ms‾¹ Explanation…
A. 100 m B. 50m C. 32 m D. 18 m Correct Answer: Option D = 18 m Explanation From…
A. a p-type semiconductor B. an n-type semiconductor C. an insulator D. an intrinsic semi-conductor Correct Answer: Option B -…
A. germanium B. silicon C. grapefruit D. copper Correct Answer: Option D = copper Explanation Metals are good conductors due…
A. β - rays are produced B. holes are produced C. x - rays are produced D. electrons leave a…
A. 3.47 x 1018 B. 6.93 x 1020 C. 3.47 x 1020 D. 6.93 x 1018 Correct Answer: Option A…
A. 3.00 s B. 0.12 s C. 0.33 s D. 1.50 s Correct Answer: Option A = 3.00 s Explanation…
A. ultraviolet rays B. alpha particles C. x - rays D. infrared rays Correct Answer: Option C = x-rays Explanation…
A. 5.60 v B. 24.00 v C. 0.24 v D. 2.40 v Correct Answer: Option D = 2.40 v Explanation…