A sound wave in air has a frequency of 420.0 Hz. (a) What is its wavelength? m

Physics
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A sound wave in air has a frequency of 420.0 Hz.

(a) What is its wavelength?
 m
(b) If the frequency of the sound is increased, does its wavelength increase, decrease, or stay the same?
    

Explain. 

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(c) Calculate the wavelength for a sound wave with a frequency of 450.0 Hz.
 m
Apr 1st, 2015

please best me.....................................................................................................................................

a. 0.714m

b. wavelength decreases, with increasing frequency because they are inversely proportional

c. 0.667m

Mar 31st, 2015

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