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Question 31252
JEE Physics · Hard

Sound Waves: End Correction MCQ

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End CorrectionHardQuestion 31252

Question

Open pipe of physical length 30 cm (radius 1 cm, end correction e = 0.6r). Effective length:
  1. A
    30 cm
  2. B
    30.6 cm
  3. C
    31.2 cm
    Correct
  4. D
    32 cm

Correct answer

31.2 cm

Explanation

Two open ends: total correction = 2e = 2×0.6×1 = 1.2 cm. Effective length = 30 + 1.2 = 31.2 cm.

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