Question

Find the time period of the source of a sound wave whose frequency is 400hz

Answer 1

T= 1 / f ( where f is frequency)
Apply formula n u will find the answer....
Hope it helps !

Answer 2

I will not tell you the direct answer because I want you to do it by yourself but I will give you the link or I will give you the clue to get your answer
so I have a formula which is time period equals to one upon frequency or frequency equals to one upon a time period where the s i unit and the s i unit of frequency is Hertz and the s i unit of time period is second I hope you will get your answer please mark me as a brain list