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Question 31205
JEE Physics · Medium

Sound Waves: Intensity MCQ

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IntensityMediumQuestion 31205

Question

Intensity of a sound wave is proportional to:
  1. A
    Amplitude
  2. B
    Frequency
  3. C
    Amplitude²
    Correct
  4. D
    1/Amplitude

Correct answer

Amplitude²

Explanation

Intensity I ∝ A²f². For a given frequency, intensity is proportional to the square of amplitude.

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