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01-03-2018
Physics

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A sound wave has frequency of 430 Hz in air . Which of these is closet to the wavelength of this sound? ( The speed of sound in air is 343 m/s.)
A. The height of a skyscraper
B. The length of car
C. The height of a tree
D. The width of highway
E. The height of a desk

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14-03-2018

I think it would be E. The higher the object the less wavelength is possible.

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