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Suresh Sharma
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Asked: 2025-02-10T10:45:46+00:00 In:

The time period of a vibrating object is 0.005 s. The frequency of waves emitted by it is

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0%(a) 5 × 10⁻³ Hz
0%(b) 5 Hz
100%(c) 200 Hz ( 1 voter )
0%(d) 2000 Hz
Based On 1 Vote

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The correct answer is (c) 200 Hz. The frequency (f) is given by the formula:
F = 1/T
where T = 0.005 s.
F = 1/0.005 = 200 Hz.
Class 9th Science NCERT MCQ Questions
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    1 Answer

    1. (c) ∴ Time period T = 0.005 s
      ∴ Frequency v = 1/T = 1/0.005 = 200 Hz

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

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