Sound and Light Waves Practice Quiz

Four examples of electromagnetic waves are microwaves, radio waves, infrared waves, and visible light waves. Which of these waves has the MOST energy?

• Microwaves

• Radio waves

• Infrared waves

• Visible light waves

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Electromagnetic radiation is energy that travels in waves. Which statement is true for all forms of electromagnetic radiation?

• All forms of electromagnetic radiation travel at the same speed in space.

• All forms of electromagnetic radiation have the same frequency.

• All forms of electromagnetic radiation have the same wavelength.

• All forms of electromagnetic radiation have the same amount of energy.

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Which letter has the highest frequency?

• A

• B

• C

• D

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Which letter has the longest wavelength?

• A

• B

• C

• D

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Which color on the visible light spectrum has the LONGEST wavelength?

• Red

• Orange

• Indigo

• Violet

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Radiant energy is the source of electromagnetic waves, which include x-ray, infrared, and ultraviolet waves among others. Look at the diagram of the electromagnetic spectrum on the left. Which wave has the greatest frequency?

• X-rays

• Infrared

• Radio waves

• Gamma

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How does the Sun transfer energy to Earth?

• By making Earth spin

• By making mechanical waves

• By electromagnetic waves

• By the Earth revolving around the sun

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The medium through which a sound waves passes can be a solid, a liquid, or a gas. Properties of a wave might change when it moves from one medium to another. What happens to the sound wave when it moves from a gas to a solid?

• It speeds up.

• It slows down.

• It remains the same.

• It speeds up and then slows down.

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Electromagnetic waves with higher frequencies will have ______ energy than waves with lower frequencies.

• More

• Less

• The same

• Cannot be determined

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Electromagnetic energy is classified by the length and frequency of its wave. Which form of electromagnetic energy has the shortest wavelength?

• Radio waves

• Gamma rays

• Infrared waves

• Ultraviolet waves

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