Question

learner diary sound science chapter 13
how to write ​

please send write answer please



learner diary how to write ​

Answer 1

Answer:

write

write

write

write

write

Answer 2

Answer:

The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

Soln:

Time period is defined as the time taken to complete one oscillation. It is also the inverse of frequency.

Time period =  1

Oscillation frequency

Oscillation frequency = 500 Hz

Time period = 1/500 = 0.002 s