Question

A pendulum swings backwards and forwards passing through Y, middle point of the oscillation. The first time of pendulum passes through Y, a stopwatch is started. The twenty-first time the pendulum pass through Y, the stopwatch is stopped. The reading is T.
What is the time period of pendulum? 

809613
expand
A

T/40

B

T/21

C

T/20

D

T/10

Medium
Updated on : 2022-09-05
Solution
verified
Verified by Toppr
Correct option is D)

The time taken to complete one oscillation is called the time period of a pendulum.
Here the time period is the time taken to move from Y to B then back to A and then to Y. 
The reading of stopwatch = T
Number of oscillations = 10
Time period =
= $$\frac{T}{10}

Solve any question of Oscillations with:-
Was this answer helpful?
upvote 0
downvote0