Question

2.
When we ring a cycle bell with one hand while holding it with the other, then its
sound is not heard clearly. Why?
The frequency of an vibrating object is 20 hertz. What do you understand by
this statement?
3.
4.
An object completes 20 oscillations in ten second; find its frequency and time
period.​

Answer 1

Explanation:

Originally Answered: 20 vibrations are produced in a in 10 second when a is given to it. ... So in 10sec=20vibrations so in 1 sec=20/10=2 Hz. Time period=1/frequency. So time period = 1/2=0.5 sec.

____❤️