High School

If a radio wave has a speed of [tex]3.00 \times 10^8 \, \text{m/s}[/tex] and a frequency of [tex]99.7 \, \text{MHz}[/tex], what is its wavelength?

A. 8.78 m
B. 2.78 m
C. 3.01 m
D. 1.50 m

Answer :

Final answer:

The wavelength of the radio wave is 3.01 m.

Explanation:

To find the wavelength of a radio wave, we can use the formula:

Wavelength = Speed of Light / Frequency

Speed of Light = 3.00 x 10^8 m/s

Frequency = 99.7 MHz = 99.7 x 10^6 Hz

Using these values in the formula, we get:

  1. Wavelength = (3.00 x 10^8 m/s) / (99.7 x 10^6 Hz)
  2. Wavelength = 3.01 m

Therefore, the wavelength of the radio wave is 3.01 m.

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