Convex and Concave Lenses Quiz

What is a lens?

• A transparent glass or plastic with curved sides that can bend light

• A device used to explode the wonders of the universe

• A tool for measuring refraction

• A type of mirror

What is refraction?

• The measurement of light intensity

• The process of exploding the wonders of the universe

• The reflection of light off a mirror

• The bending of light rays as they pass through a lens

How are convex and concave lenses different?

• Convex lenses have curved surfaces that are thicker in the middle, while concave lenses have curved surfaces that are thinner in the middle

• Convex lenses have flat surfaces, while concave lenses have curved surfaces

• Convex lenses have curved surfaces that are thinner in the middle, while concave lenses have curved surfaces that are thicker in the middle

• Convex lenses have curved surfaces that are thicker in the middle, while concave lenses have flat surfaces

What happens to light rays when they pass through a convex lens?

• They pass through the lens without any change in direction

• They are refracted away from the normal line and diverge

• They are reflected off the lens and scatter in different directions

• They are refracted towards the normal line and converge at a focal point

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What is the focal length of a lens?

• The distance from the lens to the screen

• The distance from the lens to the normal line

• The distance from the lens to the object

• The distance from the center of the lens to the focal point

What happens to light rays when they pass through a concave lens?

• They are reflected off the lens and scatter in different directions

• They are refracted towards the normal line and converge at a focal point

• They are refracted away from the normal line and diverge

• They pass through the lens without any change in direction

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Where does the image form when light rays pass through a convex lens?

• At the focal point

• On the surface of the lens

• Behind the lens

• In front of the lens

Where does the image form when light rays pass through a concave lens?

• Behind the lens

• In front of the lens

• On the surface of the lens

• At the focal point

Tags

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