MHT CET 2024 Physics question

Physics Waves MHT CET 2024

A progressive wave of frequency 400 Hz. is travelling with a velocity . How far apart are two points which are out of phase ?

(A)0.14 mCorrect
(B)0.21 m
(C)0.24 m
(D)0.28 m

Answer: (A)

Solution

The wavelength is m. A phase difference of corresponds to a path difference , so a phase difference of corresponds to \frac{λ}{2π}\frac{π}{3}\frac{λ}{6}$

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Question ID VK-093350