Question

A simple pendulum makes 10 oscillations in 20 seconds. What
is the time period and frequency of its oscillation?
NCERT Class VIII
Science - Exemplar Problems
Chapter 13. Sounds

Answer 1

1/2 can be the answer

Answer 2

10 oscillations in 20 seconds
1 oscillation in 20÷10 seconds
=2 seconds
time period =2 seconds
frequency =1÷time period
=1÷2 Hz
0.5 Hz