Index of Refraction

A beam of light bends when it passes from air into water, and then bends even more when it passes from water into glass. What can you conclude from this fact?

• Air is denser than glass.

• Water is denser than glass.

• Glass is denser than water.

• Air is denser than water.

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NGSS.MS-PS4-2

Light refracts when:

• It changes speed

• It changes from a particle to a wave

• Its density changes

• It encounters a solid object

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NGSS.HS-PS4-1

Why does white light from the sun form a colorful rainbow when it passes through water droplets in the atmosphere?

• The droplets of water in the air have different densities

• Different-sized water droplets refract white light at different angles

• The colors that make up white light refract at different angles

• White light diffracts when it encounters water

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NGSS.MS-PS4-2

Blue light bends more than red light when it passes through glass. Thus, blue light has a greater:

• Angle of refraction

• Interference pattern

• Index of diffraction

• Wavelength

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NGSS.MS-PS4-2

The pencil appears bent because of ​ (a)   .

• refraction

• reflection

• disperse

• transmit

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NGSS.MS-PS4-2

Where will the Refraction occur when the Laser is pointed into the water?

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NGSS.MS-PS4-2

What is the bending of light as it moves through one medium into another? ​ (a)  

• refraction

• reflection

• absorption

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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.MS-PS4-2

when light travels through the MEDIUM and bends it is called...​ (a)  

• refraction

• reflection

• absorption

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NGSS.MS-PS4-2

Light that bends has been:

(a)  

• refracted

• reflected

• absorbed

• scattered

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NGSS.MS-PS4-2