# Oscillations and Waves (AIIMS Physics): Questions 1 - 4 of 50

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## Question number: 1

» Oscillations and Waves » Periodic Functions

Appeared in Year: 2004

MCQ▾

### Question

For a particle executing simple harmonic motion which of the following statement is not correct: [AIIMS]

### Choices

Choice (4) Response

a.

The total energy of particle always remains the same

b.

The restoring force is always directed towards a fix point.

c.

The restoring force is maximum at the extreme positions.

d.

The acceleration of particle is maximum at the equilibrium positions.

## Question number: 2

» Oscillations and Waves » Simple Pendulum

Appeared in Year: 1998

MCQ▾

### Question

If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will: [AllMS]

### Choices

Choice (4) Response

a.

Increase

b.

Remain the same

c.

First increase then decrease

d.

Decrease

## Question number: 3

» Oscillations and Waves » Displacement as a Function of Time

Appeared in Year: 1999

MCQ▾

### Question

A particle executes simple harmonic motion with an angular velocity and maximum acceleration of. and respectively. Amplitude of the oscillation is – [AIIMS]

### Choices

Choice (4) Response

a.

0.53 m

b.

0.36 m

c.

0.28 m

d.

0.61m

## Question number: 4

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

### Question

A vehicle, with a horn of frequency is moving with a velocity of in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency. Then –

(Take velocity of sound in air 300 m/s)

### Choices

Choice (4) Response

a.

b.

c.

d.

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