JEE Physics · Hard

Simple Harmonic Motion: Total Energy MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Total EnergyHardQuestion 31139

Question

If frequency of SHM doubles (same amplitude), total energy:
  1. A
    Doubles
  2. B
    Quadruples
    Correct
  3. C
    Halves
  4. D
    Stays same

Correct answer

Quadruples

Explanation

E = ½mω²A² = 2π²mf²A². If f doubles, E → 4E.