Question

Question no. 102: A Reflecting telescope uses.
1) convex mirror and plane mirror.
2) concave mirror and plane mirror.
3) plane mirrors
4) convex mirror and concave mirror​

Answer 1

Answer:

option 2 .. concave mirror and plane mirror

Explanation:

The Reflecting Telescope or Reflector uses a concave mirror as the telescope's Primary Objective, rather than a lens or lenses. The type of reflector depends on other system mirror(s), called the Secondary Mirror. A Compound or Catadioptric Telescope uses a combination of Refractor and Reflector characteristics

Answer 2

Answer:

Reflecting telescope use concave and convex .

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