Question

define wavevelength
time period
give si unit​

Answer 1

Wavelength: the distance travelled by a wave in one time period of a vibrating particle of a medium.

SI unit: metre.

Time period: the time taken by a particle of medium to complete one vibration .

SI unit: seconds.

Answer 2

Answer:

Wavelength : It is defined as the distance travelled by a wave during the time a particle of the medium completes one vibration. It is denoted by k. Its SI unit is metre. Frequency: It is the number of occurrences of a repeating event per unit of time. Its SI unit is Hertz (Hz).