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प्रश्न
Decibel is the unit of pitch of a sound.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
The lower the frequency of vibration, the higher is the pitch.
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(a)

(b)

(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
