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14. waves and sound — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
In the musical octave ‘Sa’, ‘Re’, ‘Ga’
  • A
    The frequency of the note ‘Sa’ is greater than that of ‘Re’, ‘Ga’
  • ✓
    The frequency of the note ‘Sa’ is smaller than that of ‘Re’, ‘Ga’
  • C
    The frequency of all the notes ‘Sa’, ‘Re’, ‘Ga’ is the same
  • D
    The frequency decreases in the sequence ‘Sa’, ‘Re’, ‘Ga’
✓

Answer

Correct option: B.
The frequency of the note ‘Sa’ is smaller than that of ‘Re’, ‘Ga’
b
(b)The frequency of note ‘Sa’ is $256 Hz$ while that of note ‘Re’ and ‘Ga’ respectively are $288 Hz$ and $320 Hz.$

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