Question

Q. I. [A] Select the appropriate from the given options.
(Radio, EDUSAT, 10, Convex, refracting)
1nm (nanometer)
m.
Optical telescopes are also known as
telescopes
In Cassegrain telescope , the light rays after reflection from concave mirror are refle
back towards it by
mirror.​

Answer 1

Answer:

1) 10

2) refracting

3) convex

4) radio.