Quiz on Reflection, Refraction, & Power of Lenses Science News

Why does light refract when it enters a glass prism?

• The speed of light changes

• The shape of the prism

• The wavelength of the light

• The surface texture of the prism

What happens to light when it hits a smooth surface like a mirror?

• It absorbs

• It reflects

• It refracts

• It scatters

Why does a straw appear bent in a glass of water?

• Absorption

• Refraction

• Diffusion

• Reflection

Which color of light bends the most when passing through a prism?

• Yellow

• Green

• Violet

• Red

What is the main function of a convex lens?

• To spread out light

• To absorb light

• To focus light to a single point

• To reflect light

What type of lens is thicker at the edges than in the middle?

• Planar lens

• Biconvex lens

• Concave lens

• Convex lens

What optical phenomenon causes a rainbow to form?

• Reflection only

• Refraction only

• Reflection and refraction

• Diffusion

Why don't we see rainbows in icy conditions?

• Ice reflects all light

• Ice absorbs light

• Ice crystals have a different structure

• Ice is too cold

What is the role of a curved mirror in a flashlight?

• To absorb light

• To scatter light

• To focus light into a beam

• To change the color of light

What happens to light when it moves from air to water?

• It disappears

• It stays the same

• It slows down

• It speeds up