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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
‘Note’ os a sound:
  • A
    Of a mixture of several frequencies.
  • B
    Of mixture of only two frequencies.
  • ✓
    Of a single frequency.
  • D
    Always unpleasant to listen to.
✓

Answer

Correct option: C.
Of a single frequency.
Note is a sound of single frequency.

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