MHT CET 2023 Physics question

Two progressive waves are travelling towards each other with velocity 50 m/s and frequency 200 Hz. The distance between the two consecutive antinodes is

(A)0.125 mCorrect
(B)0.150 m
(C)0.175 m
(D)0.200 m

Answer: (A)

Solution

Two identical progressive waves travelling in opposite directions superpose to give a stationary wave of the same wavelength. Wavelength: . In a stationary wave consecutive antinodes are

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Question ID VK-096353