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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Which are the most important properties of sound$?$
  • A
    Amplitude
  • B
    Frequency
  • C
    Loudness
  • ✓
    Both $A$ and $B$
✓

Answer

Correct option: D.
Both $A$ and $B$

The two most important properties of sound are amplitude and frequency because amplitude determines the loudness of sound and frequency determines its pitch. The loudness and pitch affect the quality of sound.

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