MarksRiser
MarksRiser
AIIMS2007Physics-Waves

AIIMS 2007 Physics Doppler Effect MCQ Question

Type: MCQ-numerical-Medium-Class 11

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. The frequency of sound heard by listener is (velocity of sound = 300 m/s)

A

727.3 Hz

B

481.2 Hz

C

644.8 Hz

D

286.5 Hz

Correct Answer

Option A

Detailed Explanation

Here, a = 1 cm = 0.01 m; The mass will remain...

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