Q. 43.9( 7 Votes )
An object is vibr A. 0.02 s
B. 2 s
C. 0.2 s
D. 20.0 s
Answer :
Given: Frequency of object = 50 hertz
Time period =?
As we know that,
⇒ 
⇒ 
⇒ Time period = 0.02 s
Thus, the time period is 0.02s
Note: The number of oscillations per second is called the frequency.
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