Light and Optics Unit Review

Name the type of mirror

X-rays are electromagnetic waves.

• True

• False

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Complete the sentences for the 4 main properties of light

• reflected

• Light can be _______

• bend

•  Light is _______

• straight line

• Light travels in a ________

• a form of energy

• Light can _____

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NGSS.MS-PS4-2

The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:

• mirror

• laser

• reflection

• refraction

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NGSS.MS-PS4-2

If a light ray is shown on a plane mirror with an angle of incidence of 45 degrees, what is the angle of reflection?

• 15

• 30

• 45

• 90

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NGSS.MS-PS4-2

_____ is a lens that is thicker in the middle.

• Convex

• Concave

_____ is a lens that is thinner in the middle..

• Convex

• Concave

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

This ray diagram is for which mirror?

• concave

• convex

• plane

• window

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NGSS.MS-PS4-2

The bending of waves as they pass from one substance into another.

• Reaction

• Reflection

• Refraction

• Repost

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NGSS.MS-PS4-2

The ray of light that strikes a reflecting surface is called ________.

• incident ray

• reflected ray

• normal ray

• none of the above

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NGSS.MS-PS4-2