Light: Mirrors and Lenses

What is the ray that represents the movement of light towards the mirror?

• Primary ray

• Secondary ray

• Incident ray

• Reflected ray

Light travels in all direction.

• True

• False

You see the reflection of the clock without numbers in your plane mirror. The image form by the hands of the clock shows the time of 3:30. What is the real time?

• 3:30

• 8:30

• 9:30

• 10:30

What is the distance of your image from you if you stand 1.5 m in front of a plane mirror?

• 1.5 m

• 2.0 m

• 3.0 m

• 4.5 m

What kind of mirror is used in automobiles and trucks to give the driver a wider area and smaller image of traffic behind him?

• Plane mirror

• Convex mirror

• Concave mirror

• Curved mirror

What type of mirror do dentist usually use to see clearly the images of our teeth?

• Plane mirror

• Curved mirror

• Convex mirror

• Concave mirror

Which of the two choices below will refract light?

• Mirror

• Lens

Zed stands 1.5 m tall in front of a plane mirror. What is the height of the image?

• 4.5 m

• 3.0 m

• 2.0 m

• 1.5 m

A curved mirror in which the reflective surface bulges away from the light source.

• Concave

• Convex

It is the center of the sphere of which the mirror is part.

• C

• V

• F

• r