A Typical Refracting Telescope Is Made Up of

Multiple Choice

A typical refracting telescope is made up of

A) a long-focal-length lens at the front and a short-focal-length lens at the rear (next to your eye as you look through the telescope) .
B) a short-focal-length lens at the front and a long-focal-length lens at the rear (next to your eye as you look through the telescope) .
C) a mirror that gathers and focuses the light,and a lens next to your eye to examine the image.
D) two mirrors: one concave in shape and the second convex in shape.