Multiple Choice
Why do different elements produce distinct colors in the flame test?
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9. Quantum Mechanics
The Energy of Light
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Which of the following types of electromagnetic radiation has the highest amount of radiant energy per photon?
A
Microwaves
B
Infrared radiation
C
Gamma rays
D
Visible light
Verified step by step guidance1
Recall that the energy of a photon is directly proportional to its frequency, given by the equation \(E = h \nu\), where \(E\) is the energy per photon, \(h\) is Planck's constant, and \(\nu\) is the frequency of the radiation.
Understand that electromagnetic radiation types differ in their frequencies and wavelengths, with higher frequency corresponding to higher energy per photon.
Recognize the order of electromagnetic radiation from lowest to highest frequency: microwaves, infrared radiation, visible light, and gamma rays.
Since gamma rays have the highest frequency among the options, they also have the highest energy per photon according to the equation \(E = h \nu\).
Therefore, gamma rays possess the highest amount of radiant energy per photon compared to microwaves, infrared radiation, and visible light.
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