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JEE Physics · Hard

Simple Harmonic Motion: Normal Modes MCQ

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Normal ModesHardQuestion 31183

Question

Three masses connected by springs (linear chain) have how many normal modes of oscillation?
  1. A
    1
  2. B
    2
  3. C
    3
    Correct
  4. D
    Infinite

Correct answer

3

Explanation

N coupled masses have N normal modes. Each mode has a specific frequency (ω_n) and pattern. General motion is a superposition of all normal modes.

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