A loudspeaker emits sound waves of frequency 640 Hz. They travel through cold air at a speed

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A loudspeaker emits sound waves of frequency 640 Hz. They travel through cold air at a speed of 320 m/s. What is their wavelength?

A. 20m

B. 2.0 m

C. 0.5m

D. 0.05 m

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Complete Physics For Cambridge IGCSE RG

ISBN: 9780198308713

3rd Edition

Authors: Stephen Pople

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Question Posted: Aug 30, 2021 12:49 AM

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A loudspeaker emits sound waves of frequency 640 Hz. They travel through cold air at a speed

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Complete Physics For Cambridge IGCSE RG

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