Question

2. [A] Select the appropriate from the given options.
(Radio, EDUSAT, 10, Convex, refracting)
m.
inm (nanometer)
Optical telescopes are also known as
telescopes
In Gassegrain telescope, the light rays after reflection from concave mirror are reflected
back towards it by
mirror.
Many heavenly object emit waves satellite is used exclusively for education ​

Answer 1

Answer:

I think Convex

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