5.3 Flashcards
1
Q
what is concave lens
A
when light hits a concave lens the rays diverge on the other side
2
Q
what is convex lens
A
farsightedness is where a far object is clear and near objects are blurry the light rays converge to the focal point
3
Q
if the object is more than 2 focal lengths away what is the image
A
upside down and smaller
4
Q
if the object is between 1-2 focal lengths what is the image
A
upright and larger
5
Q
if the object is less than 1 focal point what is the image
A
upside and larger
6
Q
what is a lens
A
its a piece of transparent material that is curved so light rays will refract
