Define the terms: (i) vibration (ii) time period (iii) frequency and (iv) amplitude.
Q. Define the terms: (i) vibration (ii) time period (iii) frequency and (iv) amplitude.
Ans. (i) One complete to and fro motion of a body is called one vibration.
(ii) The time taken by a vibrating body to complete one vibration is called its time period.
(iii) The number of complete vibrations that the vibrating body makes in one second is called its frequency.
(iv) The maximum displacement of a vibrating body from rest (or mean) position is called its amplitude.
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