Question

The time taken by a particle of a medium to complete its one vibration is called:
(a) frequency
(b) time period
(c) wave velocity
(d) amplitude

  • Category: Propagation of Sound Waves Class 9 ICSE
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Answer

(b) time period

Reason — The time taken by a particle of a medium to complete its one vibration is called time period of wave. It is denoted by T. Its S.I. unit is second (s).

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