Question

In _________ telescope, one concave and one convex mirror is used​

Answer 1

Answer:

reflecting telescope

That is why a reflecting telescope utilizes a concave mirror. If you observe the design of a reflecting telescope, it uses the incoming rays to focus through a concave mirror to focus on the second mirror which in turn sends the rays to the eye-piece.

pls follow m e and I will help you friends

Answer 2

Answer:

A reflecting telescope uses concave mirrors as they produce images similar to the images produced by convex lenses i.e. upright and smaller than the object