Question

5.
If an object oscillates 20 times in 5 s
then its period is :
A) 0.25 s.
B) 4
C) 15 s
D) 5s​

Answer 1

Explanation:

Given: No. of oscillations =20

Time taken =5 sec

By using the formula:

Frequency=

Time taken

No of oscillations

=

5

20

=4 Hz

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