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Answered

Which collects light in a reflecting telescope?

Aconcave lens
Bconcave mirrors
Cconvex lens
Dconvex mirror

Verified Answer :

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

Answer: Option a, concave lens.

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.