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Physics Wave and Sound General MCQ (Single Correct)

Two speakers A and B, placed 1m apart, each produce sound waves of frequency 1800 Hz in phase. A detector moving parallel to line of speakers distant 2.4 m away detects a maximum intensity at O and then at P. Speed of sound wave is:

A
330 ms –1
B
360 ms –1
C
350 ms –1
D
340 ms –1

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Text Solution

Verified by Experts
The correct answer is:
B

First maxima after O will appear when path difference

so

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