Question

4.
Define the following terms. Also, write their SI units.
(a) amplitude
(b) time period
(c) frequency​

Answer 1

Answer:

(a) Amplitude - The maximum displacement of a wave on either side of its mean position is called Amplitude.

unit:meter

(b) Frequency - Number of oscillations made by a wave in one second is known as frequency.

unit:Hertz

(c) Time period - Time taken to complete one vibration is called time period, i.e. from A to B.

unit:second