A15.5-4 Quiz: Lenses

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

A converging lens is also known as a ____ lens.

• convex
• concave
• double
• refracted

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 

When light waves move from passing through air to passing through a glass lens when happens to them?

• They slow down and change direction

• They speed up and change direction

• They maintain the same speed and change direction

• They maintain their same speed and direction

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?

• A

• B

• A and B

• neither A or B

What does the word "diverging" mean?

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

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

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

What type of lens do humans have in their eyes? 

• Concave Lens 
• Convex Lens