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 3.5rads . and 7.5ms2 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 n is moving with a velocity of 30ms in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency n+n1 . Then –

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

Choices

Choice (4) Response
a.

n1=0.1n

b.

n1=0

c.

n1=2n

d.

n1=10n

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