Multiple Choice
Which of the following statements about electromagnetic radiation is true?
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9. Quantum Mechanics
Electromagnetic Spectrum
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Which of the following types of electromagnetic radiation has the shortest wavelengths?
A
Infrared radiation
B
Gamma rays
C
Ultraviolet light
D
Microwaves
Verified step by step guidance1
Recall the electromagnetic spectrum, which arranges types of electromagnetic radiation by their wavelength and frequency.
Understand that wavelength and frequency are inversely related by the equation \(\lambda = \frac{c}{\nu}\), where \(\lambda\) is wavelength, \(c\) is the speed of light, and \(\nu\) is frequency.
Identify the relative positions of the given types of radiation on the electromagnetic spectrum: microwaves have the longest wavelengths, followed by infrared radiation, then ultraviolet light, and gamma rays have the shortest wavelengths.
Recognize that gamma rays have the highest frequency and therefore the shortest wavelength among the options provided.
Conclude that gamma rays have the shortest wavelengths compared to infrared radiation, ultraviolet light, and microwaves.
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