Physics_B_071125

Which of the following is a characteristic of electromagnetic waves?

• They require a medium to travel through

• They can travel through a vacuum

• They are always visible to the human eye

• They have mass

What is the speed of electromagnetic waves in a vacuum?

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Which property of electromagnetic waves is directly related to their energy?

• Wavelength

• Frequency

• Amplitude

• Speed

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Which type of electromagnetic radiation has a shorter wavelength than visible light?

• Radio waves

• Infrared

• X-rays

• Microwaves

Which of the following electromagnetic waves has the highest frequency?

• Visible light

• X-rays

• Radio waves

• Infrared

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What happens to the energy of an electromagnetic wave as its frequency increases?

• It decreases

• It stays the same

• It increases

• It becomes zero

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Which of the following statements is true about the speed of electromagnetic waves in a vacuum?

• It depends on the frequency

• It depends on the wavelength

• It is constant for all electromagnetic waves

• It varies with energy

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Which electromagnetic wave has a longer wavelength than visible light?

• X-rays

• Ultraviolet

• Infrared

• Gamma rays

If the frequency of an electromagnetic wave increases, what happens to its wavelength?

• It increases

• It decreases

• It stays the same

• It becomes infinite

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