Multiple Choice
Which property is primarily used to define the different types of energy in the electromagnetic spectrum?
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9. Quantum Mechanics
Electromagnetic Spectrum
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which type of electromagnetic waves has the longest wavelengths and lowest frequencies?
A
Radio waves
B
Ultraviolet waves
C
X-rays
D
Gamma rays
Verified step by step guidance1
Recall the electromagnetic spectrum, which organizes electromagnetic waves by their wavelength and frequency.
Understand that wavelength and frequency are inversely related by the equation \(\lambda = \frac{c}{f}\), where \(\lambda\) is wavelength, \(c\) is the speed of light, and \(f\) is frequency.
Identify that waves with the longest wavelengths have the lowest frequencies, and waves with the shortest wavelengths have the highest frequencies.
Review the order of electromagnetic waves from longest wavelength/lowest frequency to shortest wavelength/highest frequency: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
Conclude that radio waves have the longest wavelengths and lowest frequencies among the options given.
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