The terminology of different parts of the electromagnetic spectrum is given in the text. Use the formula E = hν (for energy of a quantum of radiation:

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asked Jan 6, 2018 in Physics by sforrest072 (157,439 points) 61 410 941
edited Mar 5, 2018 by Vikash Kumar

The terminology of different parts of the electromagnetic spectrum is given in the text. Use the formula E = hν (for energy of a quantum of radiation: photon) and obtain the photon energy in units of eV for different parts of the electromagnetic spectrum. In what way are the different scales of photon energies that you obtain related to the sources of electromagnetic radiation?

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answered Jan 6, 2018 by mdsamim (213,225 points) 5 10 15
edited Mar 5, 2018 by Vikash Kumar
 
Best answer

Energy of a photon is given as:

The given table lists the photon energies for different parts of an electromagnetic spectrum for differentλ.

λ
(m)
103 1 10-3 10-6 10-8 10-10 10-12
E
(eV)
12.375 ×
10−10
12.375 ×
10−7
12.375 ×
10−4
12.375 ×
10−1
12.375 ×
101
12.375 ×
103
12.375 ×
105

The photon energies for the different parts of the spectrum of a source indicate the spacing of the relevant energy levels of the source.

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