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Questions  

A source of sound emits waves with frequency f  Hz and speed V m/sec. Two observers move away from this source in opposite directions each with a speed 0.2 V relative to the source. The ratio of frequencies heard by the two observers will be

a
3 : 2
b
2 : 3
c
1 : 1
d
4 : 10

detailed solution

Correct option is C

Both listeners, hears the same frequencies.

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