Question

If the time taken by a simple pendulum to complete 10 oscillations is 20 s, then time period of the simple pendulum is:

give the correct answer​

Answer 1

Answer:

When a simple pendulum makes 10 oscillations in 20 seconds, the time taken for each oscillation = 20/10 = 2 seconds. Hence, as the time period is calculated to be 2 seconds, the frequency of oscillation = 1/T = 1/ 2 = 0.5 Hertz. Therefore, the frequency of that pendulum is found to be 0.5 Hz.

Answer 2

Answer:

Simple Pendulum is a very small heavy metal bob suspended at a point from a firmly fixed support using a single strand thread so that it oscillates freely. The distance between the point of suspension and centre of bob is called the length of the pendulum.

One oscillation: One complete to and fro motion of the oscillating body is called one oscillation.

Frequency: It is the number of oscillations made by the body in one second.

Time Period: It is the time taken by a body to complete one oscillation.

Hence, the Frequency and Time period are calculated as follows.

Time period = Time taken by the pendulum/Number of oscillations made by the pendulum.

10/20

=2s

Frequency =1/Period

1/2

=0.5Hz

Hence, the Time period and frequency are 2 seconds and 0.5 Hertz respectively.

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