A radio wave has a wavelength of 150m. If the velocity of radio waves is free spaces is 3 x 10(^8) ms(^{-1}), calculate the frequency of the radio wave
-
A.
4.50 x 1010Hz -
B.
5.0 x 109Hz -
C.
4.5 x 109Hz -
D.
2.0 x 106Hz
Correct Answer: Option D
Explanation
f = (frac{V}{lambda} = frac{3 times 10^8}{150})
= 2.0 x 10(^6) Hz