Question

Which collects light in a reflecting telescope?

a. concave lens
b. concave mirrors
c. convex lens
d. convex mirror

Answer 1

concave lens. These are used in making the objectives of reflection telescopes

Answer 2

Answer: Option a, concave lens.

Step-by-step explanation: The object that collects the light in a reflecting telescope is "kinda" concave lens that collects the light and directs it to a mirror, that is where the observer can see. So the correct answer is option a.