Question

if a body makes 80 oscillations in one second, then its frequency of oscillation is?

Answer 1

F=1/t
=80/60
=4/3
=1.3

Answer 2

frequency = oscillation per time
= 80/1
therefore frequency is 80 oscillation per second.
Or Frequency =1/T
=80/60
=1.3
HOPE IT HELPS