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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
The energy of a wave depends on: 
  • A
    Amplitude of the wave
  • B
    Phase of the wave
  • C
    Timbre of the wave
  • D
    Shape of the wave
✓

Answer

  1. Amplitude of the wave

Explanation:

The energy of a wave is directly proportional to amplitude square and hence it increases with the increase in the amplitude of the wave.

A wave with greater amplitude will release more energy when it falls back to sea level than a wave of lesser amplitude.

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