# AIIMS (All India Institute of Medical Sciences) Physics: Questions 326 - 330 of 500

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## Question number: 326

MCQ▾

### Question

A body standing on a long railroad car throws a ball straight upwards, the car is moving on the horizontal road with acceleration. The vertical velocity given is . How far behind the body the ball will fall on the railroad car?

### Choices

Choice (4) Response

a.

3 m

b.

24 m

c.

27 m

d.

18 m

## Question number: 327

MCQ▾

### Question

A magnet makes 30 oscillations per minute at a place having magnetic field of. At another place, it takes 1.5 sec to complete one vibration. The value of earth’s horizontal field at that place is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 328

MCQ▾

### Question

The ratio of intensities of two waves is 16: 1. When they superimpose, the ratio of maximum to minimum intensity will become –

### Choices

Choice (4) Response

a.

9: 25

b.

25: 9

c.

4: 1

d.

1: 16

## Question number: 329

MCQ▾

### Question

A block of mass 20 kg is moving in x-direction with a constant speed of. It is subjected to a retarding force during its travel fromto . Its final kinetic energy will be –

### Choices

Choice (4) Response

a.

500 joules

b.

850 joules

c.

750 joules

d.

920 joules

## Question number: 330

MCQ▾

### Question

Velocity of light in a liquid is and in air, it is . If a ray of light passes from this liquid into air, the critical angle will be –

### Choices

Choice (4) Response

a.

600

b.

300

c.

450

d.

Question does not provide sufficient data or is vague

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