Calculate the energy of a photon of electromagnetic radiation at each of the fol

Question

Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies.

Part A

101.6 MHz (typical frequency for FM radio broadcasting)

Part B

1030. kHz (typical frequency for AM radio broadcasting)

Express your answer in joules using four significant figures.

Part C

835.0 MHz (common frequency used for cell phone communication)

Express your answer in joules using four significant figures.

Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies.

Part A

101.6 MHz (typical frequency for FM radio broadcasting)

Part B

1030. kHz (typical frequency for AM radio broadcasting)

Express your answer in joules using four significant figures.

Part C

835.0 MHz (common frequency used for cell phone communication)

Express your answer in joules using four significant figures.

Explanation / Answer

The formula for energy is E= hf

h= Planck's constant = 6.626*10^-34

1. E= 6.626*10^-34 * 101.6*10^6 = 6.732*10^-26 J

2. E= 6.626*10^-34*1030*10^3 = 6.824*10^-28 J

3. E= 6.626*10^-34 * 835*10^6 = 5.532*10^-25 J

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