Convex and Concave Lenses and the Eye

A lens that is thicker in the middle than on the outside is called ___.

• diverging

• concave

• convex

• achromatic

What type of lens do humans have in their eyes? 

• Concave Lens 

• Convex Lens 

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

Is a concave lens thicker or thinner in the middle? 

• Thicker 

• Thinner 

Concave lenses, like the ones found in the peepholes of a door, always produce images that are .....

• Virtual, upright, smaller

• Real, inverted, larger

• Real, inverted, smaller

• Virtual, upright, larger

Tags

NGSS.MS-PS4-2

Which figure represents the path light takes through a converging lens?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

Which optical device bends light inward?

• convex lens

• concave lens

• plane mirror

• convex mirror

What type of lens is used in the shown instrument?

• concave lens

• convex lens

• reflection lens

• reduction lens

What type of lens creates the image seen in the eyeglasses?

• convex

• concave

• reflection

• plane

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A lens that is thinner in the middle than on the outside is called ___.

• converging

• concave

• convex

• achromatic