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Question 31248
JEE Physics · Medium

Sound Waves: Temperature Effect MCQ

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Temperature EffectMediumQuestion 31248

Question

As temperature rises, pitch of an open pipe:
  1. A
    Decreases
  2. B
    Increases
    Correct
  3. C
    Stays same
  4. D
    Depends on material

Correct answer

Increases

Explanation

f = v/(2L) ∝ v ∝ √T. As T increases, v increases, so f increases — pitch rises.

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