refraction of light

When does the light is refracted?

• When light travels in a straight line

• When light is bounced

• When light travels in two different mediums

• When light cannot pass through an opaque object

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NGSS.MS-PS4-2

Diagram shows the condition of a spoon in a glass of water.

What can be observed about the spoon?

• The spoon looks bent.

• The water is clearer.

• The water level rises.

• Light is refracted.

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NGSS.MS-PS4-2

What is the conclusion from your observation in this picture?

• Light travels in a straight line

• Light can be refracted

• Light can be reflected

• Light can pass through a transparent material

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NGSS.MS-PS4-2

Which of the following shows the principle of light refraction? Tick the correct answers.

• A

• B

• D

• E

• F

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NGSS.MS-PS4-2

How does light behave as it enters these mediums?

• continue its path as straight line.
• bends toward the normal
• bends away from the normal
• reflects

Swimming pools and the ocean look shallower than they really are due to:

• reflection 
• dispersion
• refraction
• total internal reflection

Light passes into a glass block. Which is the angle of refraction?

• A

• B

• C

• D

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NGSS.MS-PS4-2

Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.

• snow and ice
• air and water
• cloth and wood
• glass and wood

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NGSS.MS-PS4-2

What direction does the ray bend when entering a more optically dense material, where the wave travels more slowly?

• Towards the normal.

• Away from the normal.

• No change.

• Answer is not listed above.

Tags

NGSS.MS-PS4-2

A ray of light in air is incident at an angle on one side of a rectangular glass block, as shown. Which ray diagram correctly describes the complete path of the ray of light?

(Determine if light bends towards or away from normal at each boundary)

• 
• 
• 
• 

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NGSS.MS-PS4-2