Lenses

Light is refracted and spread out by a ____.

• concave lens

• convex mirror

• concave mirror

• convex lens

Tags

NGSS.MS-PS4-2

____ are thick in the middle and thin at the edges.

• Concave lenses

• Convex lenses

• Concave mirrors

• Plane mirrors

Tags

NGSS.MS-PS4-2

A ____ lens has a short focal length and produces a small image that includes much of the surroundings.

• concave

• convex

• telephoto

• wide-angle

When an object is less than ____ focal length(s) away from the lens, the image is no longer real.

• four

• one

• ten

• five

A lens which refracts light rays and brings them into focus is a ______ lens.

• convex

• concave

Tags

NGSS.MS-PS4-2

lenses

• reflect

• refract

• absorb

Tags

NGSS.MS-PS4-2

A concave lens...

• makes objects appear larger

• makes objects appear smaller

A lens which scatters light rays is a _____ lens.

• convex

• concave

Lens A is a:   ​ (a)  

  Lens B is a: ​ (b)  

• Concave lens

• Convex lens

A ​ (a)   is thicker in the middle than on the edges.

A ​ (b)   is thinner in the middle than on the edges.

• convex lens

• concave lens