Question
Class 11PhysicsOscillations

On an average a human eye blinks 30 times in a minute. Calculate its frequency and period.

Verified Answer

The blink frequency of eye = 30/1 min = 30/60 s = 0.5 s-1 = 0.5 Hz

The time period is given by T = 1/0.5 s = 2 s