Question

what is wave length ,frequency , time period and it's si units​

Answer 1

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Wave frequency can be measured by counting the number of crests (high points) of waves that pass the fixed point in 1 second or some other time period. ... The SI unit for wave frequency is the hertz (Hz), where 1 hertz equals 1 wave passing a fixed point in 1 second

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Answer 2

Answer:

Wavelength : the distance travelled by the wave in one time period of vibration of particle of the medium, is called its wavelength. It is denoted by letter lambda. Si unit is metre.

Frequency:

the number of times something happens in a particular period

S.I. unit of frequency is hertz

Time period:

The time taken by two consecutive compressions or rarefactions to cross a fixed point is called the time period

its S.I. unit is also hertz