Physics - Unit 8 (Pt. 2): Properties of Light Test Prep

What is the law of reflection?

• Light always bends when it hits a mirror

• The angle of incidence equals the angle of reflection

• Light spreads out after reflection

• The angle of incidence is always 90°

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NGSS.MS-PS4-2

Which of the following is an example of diffuse reflection?

• Reflection in a clean bathroom mirror

• Sunlight bouncing off a calm lake

• Light reflecting off the sidewalk

• A clear image in a car’s rearview mirror

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NGSS.MS-PS4-2

Which is an example of specular reflection?

• Light bouncing off paper

• Light bouncing off a shiny metal surface

• Light scattering off sand

• Light reflecting off frosted glass

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NGSS.MS-PS4-2

What kind of image is formed by a plane mirror?

• Virtual, same size, upright

• Real, smaller, inverted

• Virtual, smaller, upright

• Real, same size, inverted

What kind of image is formed by a convex mirror?

• Real, larger, inverted

• Virtual, smaller, upright

• Real, smaller, upright

• Virtual, same size, inverted

What happens to the image in a concave mirror when the object is far outside the focal length?

• Virtual, upright, same size

• Real, inverted, smaller

• Real, upright, larger

• Virtual, inverted, larger

What happens to the image in a concave mirror when the object is at the focal point?

• No image is formed

• Virtual, upright, same size

• Real, inverted, smaller

• Virtual, inverted, larger

What happens to the image in a concave mirror when the object is inside the focal length?

• Real, inverted, smaller

• Virtual, upright, larger

• Real, upright, same size

• No image is formed

What happens to light when it passes from air into glass at an angle?

• It reflects completely back into the air

• It speeds up and bends away from the normal

• It slows down and bends toward the normal

• It travels straight without bending

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NGSS.HS-PS4-1

Which of the following is a typical use for a convex mirror?

• Store security mirror

• Makeup mirror

• Magnifying glass

• Nearsighted eyeglasses