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Question 31325
JEE Physics · Medium

Waves on String: Harmonics MCQ

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HarmonicsMediumQuestion 31325

Question

String fixed at both ends vibrates in 3rd harmonic. Number of loops (antinodes) is:
  1. A
    1
  2. B
    2
  3. C
    3
    Correct
  4. D
    6

Correct answer

3

Explanation

nth harmonic has n loops (antinodes) and n+1 nodes. 3rd harmonic: 3 loops, 4 nodes.

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