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If a sound wave goes from a cold air region to a hot air region, its wavelength…

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PHYSICS

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A note is called an octave of another note when…

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PHYSICS

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Musical instruments playing the same note can be…

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PHYSICS

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The pitch of an acoustic device can be increased by…

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PHYSICS

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A device that converts sound energy into electrical energy is…

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PHYSICS

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Which of the following media allow the…

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PHYSICS

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A ship travelling towards a cliff receives the echo of its whistle after 3.5…

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PHYSICS

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When a sound wave passes from air into water, its…

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PHYSICS

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If a source of sound is moving, a stationary listener will hear…

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PHYSICS

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In a closed organ pipe producing a musical note…

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PHYSICS