Wave Behaviors Review

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror at the same angle it hits.

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NGSS.MS-PS4-2

Why do you not see an image when light reflects off a rough surface?

• because not enough light is not reflected
• because the reflection is regular
• because the reflection is diffuse
• because the law of reflection does not apply

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NGSS.MS-PS4-2

Which is the angle of incidence?

• Angle 1 (θ₁)

• Angle 1 (θ₂)

An image that you can see when you look into a mirror, but does not really exist is called which of the following?

• Real Image
• Fake Image
• Virtual Image
• Digital Image

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NGSS.MS-PS4-2

All waves carry

• energy
• light 
• matter
• particles

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NGSS.MS-PS4-1

What do you see when water droplets refract and diffract sunlight?

• thunderstorm
• eclipse
• rainbow
• clouds

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NGSS.MS-PS4-2

Why would a wave change direction?

• Because it kept traveling through the same medium
• Because it went from one medium to another
• the amplitude was too large
• the frequency was too small

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NGSS.MS-PS4-2

A ray of white light passes through a prism. On the other side of the prism, you see a rainbow. What is this phenomenon called? (Choose all that apply)

• Reflection

• Refraction

• Medium

• Dispersion

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NGSS.MS-PS4-2

A ray of light is incident on a plane mirror and the angle of incidence is 25 degrees. What is the angle of reflection?

• A. 0 degrees
• B. 50 degrees
• C. 90 degrees
• D. 25 degrees

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NGSS.MS-PS4-2

The Law of Reflection:
The angle of incidence is _________ the angle of reflection

• bigger than
• the same as
• smaller than

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NGSS.MS-PS4-2