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प्रश्न
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
विकल्प
decreases
first decreases and then increases
increases
remains the same
उत्तर
When the pitch of the harmonium is lowered, then the frequency is also lowered. Wavelength is inversely proportional to the frequency.
(c) Increases.
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