Practice Question

1.Explain the difference between a real image and a virtual image.

A real image is projected onto a screen when the light rays converge onto the screen. 

A virtual image cannot be projected onto a screen because the light rays do not converge.  

2. What type of lens would you use to from a real inverted inverted image that is smaller than the object?

Convex

3.What type of lens would you use to for a virtual image that is smaller than the object?

Concave