Mirrors and Lenses

Question 1

Any light ray that comes into a concave mirror parallel to the principal axis goes where

Answer 1

they all hit the same point = focus!!

Question 2

1/f = ?

Answer 2

1/f = 1/o +1/i = 2/r

r is distance from mirror to center of curvature = 2f

Question 3

convex mirror will always form what kind of image?

concave?

Answer 3

virtual and smaller!

concave can form all

Question 4

What does every image for a convex lens look like?

Answer 4

small, really close to the lens, upright and virtual!