BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 87 - 92 of 382

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Question 87

Question

MCQ▾

If the displacement of a particle executing S. H. M. is given by in metre, then the frequency and maximum velocity of the particle is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 88

Question

MCQ▾

If a body of mass is dropped from the top of a tower of height 25 meters, then its kinetic energy after 3 seconds will be

Choices

Choice (4)Response

a.

b.

c.

d.

Question 89

Question

MCQ▾

If an iron ball and a wooden ball of the same radius are released from a height in vacuum, then time taken by both of them to reach ground will be

Choices

Choice (4)Response

a.

Exactly equal

b.

Unequal

c.

Zero

d.

Roughly equal

Question 90

Question

MCQ▾

In a transformer, the number of turns of primary coil and secondary coil are and , respectively. If is applied on the primary coil, then the ration of current in primary and secondary coil is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 91

Question

MCQ▾

If luminous-efficiency of a lamp is and its luminous-intensity is 42 candela then, power of the lamp is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 92

Question

MCQ▾

We have a galvanometer of resistance wire. It is shunted by a wire. The part of total current that flow through the galvanometer is given as –

Choices

Choice (4)Response

a.

b.

c.

d.

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