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Question: Answered & Verified by Expert
Beats are produced when two progressive waves of frequency 256 Hz and 260 Hz superpose. Then the resultant amplitude changes periodically with frequency of
PhysicsWaves and SoundNEET
Options:
  • A 256 Hz
  • B 260 Hz
  • C 256-2602 Hz
  • D 4 Hz
Solution:
2852 Upvotes Verified Answer
The correct answer is: 4 Hz
Frequency of change of resultant amplitude=number of beatss-1=260-256=4 Hz.

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