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प्रश्न
Decibel is the unit of pitch of a sound.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
False.
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संबंधित प्रश्न
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
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- wavelength
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Write down the relation between wavelength, frequency and wave-velocity.
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