An astronomical telescope uses lenses of power `10 D and `1 D`. What is its magnifying power in normal adjustment ?

An astronomical telescope uses two lenses of power 10 D and 1 D.What is its magnifying power in normal adustment?

(i) Draw a neat labelled ray diagram of an astronomial telescope in normal adjustment . Explain briefly its working . (ii) An astronomical telescope uses two lenses of powers 10 D and 1 D . What is its magnifying power in normal adjustment ?

(i) Draw a neat labelled ray diagram of an astronomial telescope in normal adjustment . Explain briefly its working . (ii) An astronomical telescope uses two lenses of powers 10 D and 1 D . What is its magnifying power in normal adjustment ?

Astronomial telescope has two lenses of focal power 0.5D and 20D. Then its magnifying power is:

Astronomial telescope has two lenses of focal power 0.5D and 20D. Then its magnifying power is:

Explain the construction and working of an astronomical telescope. find an expression for its magnifying power in normal adjustment.