# Oscillations and Waves (BITSAT Physics): Questions 13 - 19 of 53

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## Question number: 13

» Oscillations and Waves » Wave Motion

MCQ▾

### Question

A tuning fork makes 250 vibrations per second in air. When the velocity of sound is , then wave length of the tone emitted is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 14

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

### Question

The Doppler’s effect is applicable for

### Choices

Choice (4) Response

a.

Sound waves

b.

Space waves

c.

Light waves

d.

Both a. and c. are correct

## Question number: 15

» Oscillations and Waves » Speed of a Wave

MCQ▾

### Question

The velocity of sound is greatest in –

### Choices

Choice (4) Response

a.

Air

b.

Water

c.

Metal

d.

Vacuum

## Question number: 16

» Oscillations and Waves » Speed of a Wave

MCQ▾

### Question

A body is executing simple harmonic motion with an angular frequency , the velocity of the body at displacement, when the amplitude of motion is , is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 17

» Oscillations and Waves » Simple Harmonic Motion » Energy

MCQ▾

### Question

A particle executes simple harmonic motion of amplitude . At what distance from the mean position its kinetic energy is equal to its potential energy is equal to its potential energy?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 18

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

### Question

A resonance air column of length resonates with a tuning fork of frequency . The speed of the air is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 19

» Oscillations and Waves » Simple Harmonic Motion » Phase

MCQ▾

### Question

A body is vibrating in simple harmonic motion with an amplitude of and frequency of . The maximum velocity and acceleration of the body is

### Choices

Choice (4) Response

a.

b.

c.

d.

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