A TV satellite broadcasts at a frequency of 5000 MHz, (1 MHz = 1 million Hertz). What is the wavelength of this radiation?

a. 1000 cm
b. 5 million centimeters
c. 6 cm
d. 0.3 cm

1 answer

Wavelength = (Speed of Light)/Frequency

Speed of light = 3 * 10^8 m/s
Frequency = 5000MHz = 5 * 10^9 Hz

Plug in your values.