An experimenter measures the frequency, f, of an electromagnetic wave its wavelength in free space is a) c/f b) cf c) f/c d) independent of the frequency.

Wavelength,

Explanation:

In an electromagnetic wave both electric and magnetic field propagate simultaneously. Radio waves, microwaves, gamma rays etc are some of the examples of electromagnetic waves.

If f is the frequency of electromagnetic wave, c is the speed of light, then the relationship between the frequency f, wavelength and the speed is given by :

Hence, the correct option that shows the wavelength of electromagnetic wave in free space is(a) " c/f ".

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