The time period of a simple pendulum, that takes 42 seconds to complete 40 oscillations, equals
The time period of a simple pendulum, that takes 42 seconds to complete 40 oscillations, equals
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Explanation:
Given
Number of Oscillations, N=40
Time t=1min
Frequency f=
t
N
=
60
40
=0.667Hz
Time period,T=
f
1
=1.5sec
Hence, frequency is 0.667Hz and time period is 1.5sec
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