NEET Physics: Questions 229 - 234 of 2099
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Question number: 229
A body of mass 0.02 kg falls from a height of 5 meter into a pile of sand. The body penetrates the sand a distance of 5 cm before stopping. What force has the sand exerted on the body?
Question number: 230
A fire man has to carry an injured person of mass 40 kg from the top of a building with the help of the rope which can withstand a load of 100 kg. The acceleration of the
Fireman if his mass is 80 kg, will be
9.8 m/s 2
17.97 m/s 2
1.63 m/s 2
8.17 m/s 2
Question number: 231
A Vernier caliper N divisions of Vernier scale coincides with N - 1 divisions of main scale (in which length of one division is 1 mm). The least count of the instrument should be
1 10 N
1/N - 1
Question number: 232
Question number: 233
Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged.