BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 297 - 302 of 382

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Question 297

Question

MCQ▾

In a sinusoidal wave, the time required for a particular point to move from maximum displacement is . The frequency of the wave is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 298

Question

MCQ▾

A circular disc is rotating with angular velocity . If a man standing at the edge of the disc walks towards its centre, then angular velocity of the disc will –

Choices

Choice (4)Response

a.

Increase

b.

Decrease

c.

Not change

d.

Be halved

Question 299

Question

MCQ▾

The potential of the two plates of capacities are and . The charge on one of the plates is . The capacitance of the capacitor is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 300

Question

MCQ▾

A coin is dropped in a lift. It takes time to reach the floor when lift is stationary. It takes time when lift is moving up with constant acceleration. Then –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 301

Question

MCQ▾

In a nuclear reactor, the fast moving neutrons are slow down by passing them through –

Choices

Choice (4)Response

a.

Vacuum

b.

Kerosene

c.

Heavy water

d.

Oil

Question 302

Question

MCQ▾

of ice at is mixed with 100 g of water at C. What is the resultant temperature of mixture?

Choices

Choice (4)Response

a.

C

b.

C

c.

C

d.

C

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