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Microwaves are electromagnetic waves used in broadcasting and telecommunications. When do these waves increase in frequency?

A. when the source moves away from you
B. when the source moves toward you
C. when you move away from the source
D. when you move away from the source and the source moves away from you​

Sagot :

Answer: B. when the source moves toward you

Explanation:

Microwaves are referred to as the electromagnetic waves that are used in broadcasting and telecommunications. The waves increase in frequency when the source moves toward someone.

It should be noted that as the wavelength increases in size, then the frequency and the energy will decrease. As the frequency increases, then the wavelength will get shorter and vice versa.

Therefore, the correct option is B.