Multiple Choice
Which of the following best describes the fraction of the entire electromagnetic spectrum that is spanned by visible light?
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9. Quantum Mechanics
Electromagnetic Spectrum
Multiple Choice
Which type of electromagnetic waves have the longest wavelengths?
A
Radio waves
B
X-rays
C
Gamma rays
D
Ultraviolet rays
Verified step by step guidance1
Understand the electromagnetic spectrum, which is the range of all types of electromagnetic radiation arranged according to their wavelengths or frequencies.
Recall that electromagnetic waves vary from very long wavelengths (low frequency) to very short wavelengths (high frequency).
Identify the types of electromagnetic waves listed: Radio waves, X-rays, Gamma rays, and Ultraviolet rays.
Know that radio waves have the longest wavelengths among these types, while gamma rays have the shortest wavelengths.
Conclude that radio waves are the electromagnetic waves with the longest wavelengths.
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