6.2 extending human vision Flashcards
1
Q
What is refracting telescope
A
has 2 convex lenses when the lens gets to big it bends under its own weight and causes the image to distort
2
Q
what is concave mirror
A
mirror that curves inward toward the object light reflected from the mirror meets at the focal point
3
Q
what is convex mirror
A
a mirror that is curved away from the object the rays leaving the mirror are called diverging rays
4
Q
what is nearsightedness
A
a person who can see near sighted objects clearly
5
Q
what is farsightedness
A
a person who can see farsighted objects clearly
