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

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

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.

644.8 Hz

b.

733.3 Hz

c.

481.2 Hz

d.

286.5 Hz

Question number: 3

» Oscillations and Waves » Doppler Effect in Sound

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.

434.2 Hz

b.

484.2 Hz

c.

256.5 Hz

d.

589.3 Hz

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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