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An AM radio station broadcasts an electromagnetic wave with a frequency of 712 kHz, whereas an...

An AM radio station broadcasts an electromagnetic wave with a frequency of 712 kHz, whereas an FM station broadcasts an electromagnetic wave with a frequency of 89.1 MHz. How many AM photons are needed to have a total energy equal to that of one FM photon?

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Answer #1

Frequency of AM photon is

Frequency of FM photon is

The energy of a photon of frequency f is

where h is the Planck's constant.

The energy of single FM photon is

The energy of single AM photon is

The number of AM photon which will have the same total energy as single FM photons are

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