1.

Time period of a simple pendulum is 1.5 second. How much time will it take to complete 9 oscillation ?

Answer»

Hey!
Here is your answer...

The TIME TAKEN by a SIMPLE pendulum to complete one oscillation is 1.5sec.
Number of OSCILLATIONS competed is 9.

So, the time taken to complete 9 oscillations is:
(Time to complete one oscillation)×(Number of oscillations)
=1.5×9
=13.5sec

So the simple pendulum takes 13.5 SECONDS to complete 9 oscillations.



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