Oscillations and Waves (AIIMS (All India Institute of Medical Sciences) 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 acceleration of particle is maximum at the equilibrium positions.

b.

The total energy of particle always remains the same

c.

The restoring force is maximum at the extreme positions.

d.

The restoring force is always directed towards a fix point.

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.