Multiple Choice
Which of the following correctly lists the order of colors in the visible light spectrum from shortest to longest wavelength?
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9. Quantum Mechanics
Electromagnetic Spectrum
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Which of the following types of electromagnetic waves has the shortest wavelength?
A
Microwaves
B
Gamma rays
C
Visible light
D
Radio waves
Verified step by step guidance1
Recall the electromagnetic spectrum, which arranges electromagnetic waves by their wavelength and frequency.
Understand that wavelength (\( \lambda \)) and frequency (\( \nu \)) are inversely related by the equation:
\[ \lambda = \frac{c}{\nu} \]
where \( c \) is the speed of light.
Identify the relative positions of the given waves on the electromagnetic spectrum: radio waves have the longest wavelength, followed by microwaves, then visible light, and gamma rays have the shortest wavelength.
Recognize that gamma rays have the highest frequency and therefore the shortest wavelength among the options provided.
Conclude that gamma rays have the shortest wavelength compared to microwaves, visible light, and radio waves.
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