A simple pendulum makes 20 oscillations in 40 seconds. what is the time period and frequency of its oscillations? i need full explanation with the method ok plz
Answers
Answer:
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Answer:
No. of oscillations in 40 seconds = 20
To Find : Time period and Frequency of the oscillation
Solution :
Time Period (T) - Time period of oscillation of a vibrating particle is defined as the time taken by it to execute one complete oscillation.
Time for completing 20 oscillations = 40 seconds
Time for completing 1 oscillation = = 2 seconds
∴ Time period of the oscillation is 2 seconds.
Frequency (n) - The frequency of oscillation of a vibrating particle is defined as the number of complete oscillations executed by it in 1 second. It is inverse of the time period.
We know, Frequency = 1/time of 1 oscillation
= 1/2
= 0.5 Hz
∴ The Frequency of the simple pendulum is 0.5 Hz.
Explanation: