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Question: Answered & Verified by Expert
If the amplitude of sound is doubled and the frequency is reduced to one fourth, the intensity of sound at the same point will be
PhysicsWaves and SoundNEET
Options:
  • A increasing by a factor of 2
  • B dncreasing by a factor of 2
  • C decreasing by a factor of 4
  • D remain unchanged
Solution:
2833 Upvotes Verified Answer
The correct answer is: decreasing by a factor of 4
Intensity is proportional to (amplitude)2 and also intensity is proportional to (frequency)2. Therefore, intensity becomes 2242=14th

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