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Sound waves travel at 350 m//s through a...

Sound waves travel at `350 m//s` through a warm air and at `3500 m//s` through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air

A

decreases by a factor 20.

B

decreases by a factor 10.

C

increases by a factor 20.

D

increases by a factor 10.

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TARGET PUBLICATION-Sound-Exercise
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