Question

A simple pendulum completes 20 oscillations in
10 s. The time period of one oscillation is about
(1) 0.5 s (2) 0.75 s
(3) 1.8 s (4) 1.3 s

Answer 1

no:of oscillations= 20
total time= 10s
time period for 1 oscillation=
total time/total oscillations
= 10/20 =0.5s