emanueltezera
emanueltezera emanueltezera
  • 08-05-2016
  • Physics
contestada

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

Respuesta :

Carlquist
Carlquist Carlquist
  • 08-05-2016
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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