Question

a pendulum oscillates 100 times in 10 sec. Find its time period and frequency​

Answer 1

time period=0.1 frequency=100/10=10Hertz

Answer 2

10 sec= 100 oscillations

1sec =100/10 oscillations

1sec= 10 oscillations

no. of oscillations per second is known as frequency of a sound

so frequency= 10 Hz

time pd= 1/frequency

t=1/10 sec

t= 0.1 sec

so time pd is 0.1 sec while frequency is 10hz

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