Light and Optics Quiz

What is the first law of reflection?

• The angle of incidence is equal to the angle of reflection

• The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for a given pair of media

• The incident ray, the reflected ray, and the normal to the surface all lie in the same plane

• Light reflects in multiple directions due to a rough surface

Which type of mirror can produce real or virtual, inverted or upright images?

• Convex Mirrors

• Double Concave Lenses

• Plane Mirrors

• Concave Mirrors

What is the second law of refraction?

• Light travels at different speeds in different media

• The angle of incidence is equal to the angle of reflection

• The incident ray, the refracted ray, and the normal all lie in the same plane

• The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for a given pair of media

Which type of lens is thicker in the center and brings parallel rays together?

• Double Convex Lenses

• Converging (Convex) Lenses

• Diverging (Concave) Lenses

• Double Concave Lenses

What is the general characteristic of light when traveling in straight lines?

• Light travels in straight paths until it interacts with a medium or an obstacle

• Objects that emit their own light

• Thinner in the center, cause parallel rays to spread out

• Light travels at different speeds in different media

Which type of objects emit their own light?

• Objects that do not emit their own light

• Sun, stars

• Light bulbs, LEDs

• The moon, books