MHT CET 2026 Physics question

In a stationary wave, all the particles

(A)except at node vibrate in S.H.M. of same period but of different amplitudesCorrect
(B)vibrate in S.H.M. of same period and amplitude
(C)except at nodes vibrate in S.H.M. of same period and same amplitude
(D)vibrate in S.H.M. of different periods and different amplitudes

Answer: (A)

Solution

A stationary wave is . Every particle has the same angular frequency , hence the same period, but the amplitude depends on position : it is maximum at antinodes and zero at nodes. Thus all particles except those at

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Question ID VK-097660