Two loudspeakers A and B, 1.0 m apart, produce sound waves of the same wavelength and in…
Physics · JEE Advanced · NTA Exams — Oscillations and Waves
Two loudspeakers A and B, 1.0 m apart, produce sound waves of the same wavelength and in the same phase. A sensitive sound detector, moving along PQ, parallel to line AB, 2.4 m away, detects maximum sound at P (on the perpendicular bisector of AB) and another maximum sound when it first reaches Q directly opposite to B, as shown in Figure. What is the wavelength of sound emitted by the speakers?
- 0.1 m
- 0.2 m
- 0.3 m
- 0.4 m
Answer
(B) 0.2 m
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