6.3 Lenses

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

Concave lenses are thick in the middle and thin in the edges.

• TRUE

• FALSE

_________ is known as refraction

• The mixing of colors

• the travelling of light in a straight line

• The change in the path of light

• The bouncing back of the light

Tags

NGSS.MS-PS4-2

Which one of these is a convex lens?

• 
• 
• None of the above

Where are lenses used? (multiple correct)

• Telescopes

• Tables

• Eye-glasses

• Binoculars

The above lens is a type of ___.

• diverging lens

• converging lens

• divergent lens

• convergent lens

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Which lens represents the path light takes through a concave lens?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2