Question

what is wavelength and frequency ?write theirs SI unit

Answer 1

Wavelength is the distance between 2 crests of a wave.
Its unit is metre (m)

Frequency is the number of waves that pass through a point in 1 sec.
Its unit is Hz (Hertz)

Answer 2

Wavelength : It is defined as the distance travelled by a wave during the time a particle of the medium completes one vibration. Its S.I. unit is metre(m).

Frequency : Frequency is the number of occurrences of a repeating event per unit of time. Its S.I. unit is Hertz(Hz).

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