Refraction of Waves

When the frequency of a wave increases, what happens to the wavelength?

• The wavelength is not directly affected by the frequency of a wave.
• The wavelength increases.
• The wavelength decreases.
• More specific information is needed to form a conclusion about the wavelength.

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NGSS.HS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1
• 2
• 3
• 4

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NGSS.HS-PS4-1

Which wave in the diagram has the greatest wavelength?

• 1
• 2
• 3
• 4

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NGSS.HS-PS4-1

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

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NGSS.MS-PS4-2

Why does the lower part of the child appear so much different in size from the upper part?

• The light rays that travel through water and then into air are refracted.
• The light rays that travel through water and then into air are enlarged.
• The light rays that travel through air and then into water are reflected.
• The light rays that travel through air and then into water are reduced.

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NGSS.HS-PS4-3

• Reflection
• Refraction

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Light bending as it passes through a rain drop is an example of...

• Refraction
• Reflection

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NGSS.HS-PS4-5

when a wave is bent by traveling from one medium to another

• reflection

• refraction

• absorption

• propagation

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NGSS.MS-PS4-2

According to Willebord Snell, light passing from air to glass will cause the light to

• maintain its original speed 
• accelerate while it is in glass
• increase its speed
• reduce its speed

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NGSS.HS-PS4-3

Glass has a _____________ index of refraction than air.

• Equal
• Greater
• Less
• Impossible to say

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NGSS.HS-PS4-5