Lens and Light Quiz

What is the most useful aspect of lenses?

• Absorbing light

• Reflecting light

• Scattering light

• Forming images

What happens to parallel rays as they pass through a concave lens?

• They scatter

• They are absorbed

• They refract away from the center

• They converge

What is the technical name for a convex lens that curves outward on both sides?

• Double convex lens

• Concave-convex lens

• Concave lens

• Double concave lens

What happens to parallel light rays as they travel through a convex lens?

• They scatter

• They refract toward the center

• They are absorbed

• They refract away from the center

What is the ability of a convex lens to bring light rays together useful for?

• Absorbing starlight

• Acting as a light scatterer

• Creating a virtual image

• Collecting and focusing starlight

What type of lens is used in a refracting telescope?

• Double concave lens

• Double convex lens

• Convex lens

• Concave lens

What type of lens forms a real image?

• Double convex lens

• Convex lens

• Double concave lens

• Concave lens

What do the light rays actually do at the focal point of a convex lens?

• They meet at a point

• They diverge

• They refract away from the center

• They scatter

What can be projected onto a screen using a convex lens?

• Enlarged image

• Inverted image

• Real image

• Virtual image

How does the curvature of a convex lens affect the focal point?

• It has no effect

• It moves the focal point closer

• It moves the focal point farther

• It changes the color of the focal point