Light and Optics Quiz

What is a light ray?

• Light that can pass through materials.

• A form of energy that is invisible to the human eye.

• The direction light bends when it reflects.

• A straight line representing the direction of light.

Match the following:

• a material that does not transmit light

• transparent

• a material that transmits /some/ light

• opaque

• a material that can transmit light

• translucent

When looking into a mirror, you are the ​ (a)   , and you see an ​ (b)   .

• object
• image
• surface
• light ray

Label the mirrors as either convex or concave.

a

b

convex

concave

What is one of the laws of reflection?

• Force equals mass times acceleration.

• The angle of incidence equals the angle of reflection.

• All light rays extend to a point at infinity.

• Voltage equals current times resistance.

What type of reflection is shown in the water?

• opaque

• translucent

• specular

• diffuse

What type of reflection is shown in the water?

• specular

• diffuse

• opaque

• translucent

Label the parts of the ray diagram.

b

c

d

a

real image

mirror

focus

object

virtual image

Label the parts of the ray diagram.

a

b

c

object

real image

focus

virtual image

Match the image characteristics to what they are asking.

• S - size

• Is the image upright or upside-down?

• A - attitude

• Where is the image located?

• L - location

• Is the image larger or smaller?

• T - type

• Is the image real or virtual?