Question

A simple pendulum completes 45 oscillation in one minute. It's frequency is *

0.75 Hz

1.33 Hz

0.67 Hz

option 4- 1.5 Hz
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Answer 1

Answer:

$Given</p><p></p><p>Number of Oscillations, N=40</p><p></p><p>Time t=1min</p><p></p><p>Frequency f=tN=6040=0.667Hz</p><p></p><p>Time period,T=f1=1.5sec</p><p></p><p>Hence, frequency is 0.667Hz and time period is 1.5sec</p><p></p><p></p><p>$