Electromagnetic Spectrum Review

How are electromagnetic waves different from other waves? 

• They have very short wavelengths 
• They transmit energy instead of matter 
• They can travel through empty space
• They can change direction by reflection 

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Which of the following is correct in order from lowest to highest energy?

• X Rays, Visible Light, Microwave

• Ultraviolet, Visible Light, Gamma-Rays

• Microwave, Visible Light, Gamma Rays

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Which type of radiation is used to treat cancer?

• infrared

• ultraviolet

• x-ray

• gamma

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When light hits a black object, like the one in the picture, what will happen to the different colors?

• All colors of light will bounce off
• All colors of light pass through it
• All colors of light will be absorbed
• None of the above

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How much of the electromagnetic spectrum is visible?

• All of it
• None of it
• Most of it
• Only a small part

We see colors that are ______ but not colors that are absorbed.

• Absorbed
• Reflected
• Refracted
• Transmitted

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What happens as a wavelength gets longer?

• frequency and energy increase

• frequency and energy decrease

• frequency increases and energy decreases

• frequency decreases and energy increases

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When standing in the sun this behavior allows you to warm up as light and other waves hit your clothes. 

• Reflection
• Refraction
• Absorption
• Transmission

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Thermographic cameras can see warm objects as glowing. Thermographic cameras detect which form of radiation?

• Infrared

• Ultraviolet

• Visible Light

• Microwaves

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Which particle is a wave of light?

• proton

• neutron

• electron

• photon

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