Question

THE____TELESCOPE USES A CONCAVE AND CONVEX MIRROR.
Options:-
Newtonian
Cassegrian
Radio​

Answer 1

Answer:

reflecting telescope

The Cassegrain telescope is a type of reflecting telescope which employs a combination of a primary concave mirror and a secondary convex mirror into its design. In the classic Cassegrain telescope, a parabolic primary mirror has a hole placed in its center.