# Oscillations and Waves (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 3 - 7 of 8

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## Question number: 3

» Oscillations and Waves » Periodic Functions

MCQ▾

### Question

A constant bore U-tube is held vertically containing a liquid column of total length 30 cm. The liquid column is made to perform simple harmonic motion. How much will be the maximum acceleration if the amplitude of motion is 3 cm?

### Choices

Choice (4) Response

a.

1.946

b.

1.979

c.

18.57

d.

19.00

## Question number: 4

» Oscillations and Waves » Speed of a Wave

MCQ▾

### Question

For simple harmonic motion with amplitude 4 cm and time period 7 seconds, what is the velocity and acceleration at a displacement 3 cm from equilibrium position?

### Choices

Choice (4) Response

a.

2.37,2.42

b.

2.56,2.73

c.

1.56,2.18

d.

3.02,3.34

## Question number: 5

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

### Question

A tuning fork vibrating at 160 Hz produces a sound wave which travels in air at a speed 300 ms-1. The distance travelled by sound during the time the fork makes 70 vibrations is,

### Choices

Choice (4) Response

a.

127 m

b.

131 m

c.

137 m

d.

120 m

## Question number: 6

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

### Question

A tuning fork vibrating at 240 Hz produces a sound wave which travels in air at a speed 475 ms-1. The distance travelled by sound during the time the fork makes 65 vibrations is,

### Choices

Choice (4) Response

a.

137.75 m

b.

128.63 m

c.

131 m

d.

120.85 m

## Question number: 7

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

### Question

When a plane wave travels in a medium, the displacement of particle are given by,

Where x and y are in metre and t in second. Frequency of the wave is,

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page