Lenses

Is a concave 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

Tags

NGSS.MS-PS4-2

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

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

___ is when light travels through a material and bends.

• Diffraction

• Dispersion

• Mirage

• Refraction

A converging lens is also known as a ____ lens.

• convex

• concave

• double

• refracted

What type of lens do you have in your eye?

• Concave

• Prismatic

• Objective

• Convex

Which of the following are uses for convex lenses? (Choose all that are correct)

• Projector

• Telescope lens

• Microscope lens

• Magnify glass

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

• They converge at a focal point

• They diverge away from each other

• They continue in parallel

• They scatter randomly

Tags

NGSS.MS-PS4-2

Which type of lens would you use to correct myopia (nearsightedness)?

• Convex lens

• Concave lens

• Cylindrical lens

• Bifocal lens