Multiple Choice
Which of the following statements correctly describes the relationship between wavelength and energy for different forms of electromagnetic radiation?
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9. Quantum Mechanics
Electromagnetic Spectrum
Multiple Choice
Which of the following is a property shared by all types of electromagnetic radiation?
A
They all have the same wavelength.
B
They all travel at the same speed in a vacuum.
C
They all require a medium to travel through.
D
They all have the same frequency.
Verified step by step guidance1
Recall that electromagnetic radiation includes a range of waves such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
Understand that electromagnetic waves differ in their wavelengths and frequencies, which is why they have different energies and properties.
Recognize that all electromagnetic waves travel at the same speed when in a vacuum, which is the speed of light, approximately \(3.00 \times 10^{8}\) meters per second.
Note that electromagnetic waves do not require a medium to travel; they can propagate through the vacuum of space.
Conclude that the shared property among all electromagnetic radiation types is their constant speed in a vacuum, regardless of their wavelength or frequency.
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