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?

A

B

C

D

## T/10

Medium
Updated on : 2022-09-05
Solution
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}

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