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ICSE Class 10 Physics Question 2 of 27

Solved Sample Paper 5 — Question 14

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14
Question

Question 1(xiv)

An object is vibrating at 4000 Hz. The time period of sound produced is

  1. 0.0025 s
  2. 0.025 s
  3. 0.00025 s
  4. 0.005 s
Answer

0.00025 s

Reason — Given, frequency (f) = 4000 Hz

Time period = 1frequency\dfrac{1}{\text{frequency}} = 14000\dfrac{1}{4000} = 0.00025 s