Multiple Choice
Which of the following lists the regions of the electromagnetic spectrum in order from shortest wavelength to longest wavelength?
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9. Quantum Mechanics
Electromagnetic Spectrum
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Which of the following is NOT a form of electromagnetic radiation?
A
Ultraviolet light
B
Gamma rays
C
Sound waves
D
Infrared light
Verified step by step guidance1
Understand that electromagnetic radiation consists of waves that can travel through a vacuum and include a broad spectrum such as gamma rays, X-rays, ultraviolet light, visible light, infrared light, microwaves, and radio waves.
Recall that electromagnetic waves are characterized by oscillating electric and magnetic fields and do not require a medium to propagate.
Recognize that sound waves are mechanical waves, meaning they require a medium (like air, water, or solids) to travel and involve the vibration of particles in that medium.
Compare the options given: ultraviolet light, gamma rays, and infrared light are all forms of electromagnetic radiation, while sound waves are not.
Conclude that the option which is NOT a form of electromagnetic radiation is sound waves because they are mechanical waves, not electromagnetic.
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