Post Test 3, Mirrors and Lenses Flashcards
1
Q
s
A
object distance
2
Q
s’
A
image distance
3
Q
focal length(f)
A
point where parallel rays of light will focus
4
Q
For what type of mirror/lens is f +?
A
converging(concave)
5
Q
For what type of mirror lens is f -?
A
diverging(convex)
6
Q
Real image
A
the rays of light focus at the image, image is inverted
7
Q
virtual image
A
the rays of light appear to focus at the image, the image is not inverted
8
Q
What type of images will a concave mirror form?
A
both real and virtual
9
Q
What type of images will a convex mirror form?
A
only virtual
10
Q
How to tell if image is real or virtual based on magnification
A
if m is negative it’s a real image
if m is positive it’s a virtual image
