MODULE QUIZ 4

Question 1

The bending of light rays as it passes to a medium. It occurs due to the differences in densuity between the two media

Answer 1

REFRACTION

Question 2

Are transparent materials that bend light through refraction

Answer 2

Lenses

Question 3

2 types of lenses

Answer 3

CONVEX LENS &
CONCAVE LENS

Question 4

converging lenses bulge at the middle and thin at the edges.

a converging lens focuses parallel light rays from infinity to a single converging point.

Answer 4

convex lens

Question 5

diverging lenses are lenses that are thin in the middle and bulk at the edges.

diverging lenses deflect parallel rays away from each other, making it appear to be diverging from the focal point.

Answer 5

concave lens

Question 6

the center of the lens

Answer 6

vertex

Question 7

the horizontal line that intersects the vertex

Answer 7

principal axis

Question 8

the point where all of the light rays are focused on

Answer 8

focal point

Question 9

distance from the focal point to the vertex

Answer 9

focal length (F)

Question 10

twice the distance of the focal point from the vertex. it is the radius of the circle from which the lens was derived.

Answer 10

center of curvature (2F)