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Radio waves travel at 3.00 · 108 m/s. Calculate the wavelength of a radio wave of frequency 900 kHz. (9.00 · 105 Hz.)


_____ m


2.70 x 1014

3.70 x 10-15

3.33 x 102

3.00 x 10-3

Verified Answer :

Carlquist

v: velocity of wave
f: frequency 
L: wavelenght

v = fL => L = v/f => L = (3x10^8)/(900x10^3) => L = 3.33 x 10^2m

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