Answers

2016-04-21T17:31:23+05:30
When pendulum complete 60 oscillation in 1 sec ,then the pendulum will have frequency of 60Hz.
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2016-04-21T19:10:54+05:30
if pendulum completes 60 oscillation in 1 sec ,then we say that  the pendulum has a frequency of 60Hz.
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