Question

the sound from q mosquito is produced when it vibrates its wings at an average rate of500vibration per second what is the time period of the vibration?

Answer 1

time taken for 500 vibration =1 second

so, time taken for one vibration =0.002

Answer 2

The answer would be 0.002 sec on using the formula:
Time period= (1/frequency) sec
=(1/500 Hz) sec
=0.002 sec