Oscillations and Waves-Doppler Effect in Sound (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 4 of 5

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Question number: 1

» Oscillations and Waves » Doppler Effect in Sound

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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.

Question number: 2

» Oscillations and Waves » Doppler Effect in Sound

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Appeared in Year: 2002

MCQ▾

Question

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of . Frequency of sound to be heard by the listener is (Velocity of sound )

Choices

Choice (4) Response

a.

286.5 Hz

b.

644.8 Hz

c.

733.3 Hz

d.

481.2 Hz

Question number: 3

» Oscillations and Waves » Doppler Effect in Sound

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Appeared in Year: 1999

MCQ▾

Question

A siren emitting sound of frequency 500 Hz is going away form a static listener with a speed of . The frequency of sound to be heard directly from the siren is –

Choices

Choice (4) Response

a.

256.5 Hz

b.

589.3 Hz

c.

434.2 Hz

d.

484.2 Hz

Question number: 4

» Oscillations and Waves » Doppler Effect in Sound

Edit
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.