The Wave Nature of Light

Which of the following best describes the nature of light?

• Light is both a wave and a particle.

• Light is a wave.

• Light is a particle.

• Light is neither a wave nor a particle.

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NGSS.HS-PS4-3

This picture best illustrates:

• light refraction.

• light reflection.

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NGSS.MS-PS4-2

Visible light, like all electromagnetic radiation, travels at a speed of 186,000 miles per second in a vacuum. The Sun is 93,000,000 miles from the Earth. How much time does it take for light to travel from the Sun to the Earth?

• about 8 minutes and 20 seconds

• about 2 minutes and 12 seconds

• about 16 minutes and 4 seconds

• about 11 minutes and 56 seconds

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

A light wave travels in only one plane.

• True

• False

Material objects cannot travel faster than the speed of light.

• True

• False

Material that allows light to pass through allowing you to see "clearly" to the other side

• opaque
• translucent
• transparent

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NGSS.MS-PS4-2

Wax paper or a foggy window is an example of what type of material. 

• transparent
• translucent
• opaque

What is reflection in simple terms?

• Soaks up light
• Passes through
• light bounces off

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NGSS.MS-PS4-2

Transfer of energy when a wave disappears into a surface

• Transparent
• Refraction
• Reflection
• Absorption

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NGSS.MS-PS4-2

What does light do when it hits an object that it cannot pass through?

• It creates a shadow
• It passes through anyway

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NGSS.MS-PS4-2