Sound WavesHard

Question

Consider two sound sources S1 and S2 having same frequency 100Hz and the observer O located between them as shown in the fig. All the three are moving with same velocity in same direction. The beat frequency of the observer is

Options

A.

50Hz

B.

5 Hz

C.

0

D.

2.5 Hz

Solution

There is no relative motion between source & observer.

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