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NCERT Question 5 - Chapter 13 Class 8 - Sound

Last updated at Dec. 16, 2024 by Teachoo

A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

 

Answer

Given

Number of oscillations = 40

Time taken=4 seconds

 

Now,

Frequency = Number of oscillations/ Total time

                 = 40/4

                 = 10 Hertz

 

Time period = 1/ Frequency

                   = 1/10

                   = 0.1 seconds

  1. Class 8
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Chapter 13 Class 8 - Sound

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo