Convex and concave lenses

___ is when light travels through a material and bends.

• Diffraction
• Dispersion
• Mirage
• Refraction

The point where the rays meet is known as....

• Fire
• the focal point
• refraction
• Plane of the lens

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges

Is a convex lens thicker or thinner in the middle?

• Thicker 
• Thinner 

How does a concave lens differ from a convex lens?

• A convex lens is another way to describe a plane mirror; a concave lens is curved

• A concave lens is curved inward on both sides; a convex lens is on only one side

• A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges

• A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges

What does the word "diverging" mean?

• to spread apart
• to come together
• parallel
• perpendicular

When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• virtual, enlarged, and upright
• virtual, reduced, and upright

A diverging lens is also known as a ____lens.

• refracted
• diffracted
• convex
• concave

This image is...

• Inverted and smaller
• inverted and bigger
• not inverted and smaller
• not inverted and bigger

If an object's distance from a convex lens were increased, the image would become which of the following?

• Larger and virtual
• Larger, only
• Smaller, only
• Smaller and virtual