Question

A simple pendulum completes 40 oscillations
in one minute. Find its (a) frequency, (b) time period.
​

Answer 1

Answer:

a) 2/3 Hz b) 3/2 sec

Explanation:

Frequency is oscillations per second

given f= 40 osc/min

Therefore, f=40/60 =2/3 osc/sec   .........as 1 min is 60 sec

Time period T=1/f=3/2=1.5 sec

Answer 2

$\huge\star\mathfrak\red{{Hey Mate...!!}}$

(1) Frequency = oscillation/Time

Frequency = 40/60

Frequency = 2/3Hz

(2) Time period = Time/Oscillation

Time Period = 60/40

Time Period = 3/2sec