![i) Draw a schematic labelled ray diagram of a reflecting telescope (cassergrain).(ii) The objective of a telescope is of larger focal length and of larger aperture (compared to the eyepiece). Why? Give i) Draw a schematic labelled ray diagram of a reflecting telescope (cassergrain).(ii) The objective of a telescope is of larger focal length and of larger aperture (compared to the eyepiece). Why? Give](https://haygot.s3.amazonaws.com/questions/1683301_1785208_ans_457a8886038d4d9085c395225771bdbe.png)
i) Draw a schematic labelled ray diagram of a reflecting telescope (cassergrain).(ii) The objective of a telescope is of larger focal length and of larger aperture (compared to the eyepiece). Why? Give
![Schematic of a Keplerian refracting telescope. The arrow at (4) is a (notional) representation of the original image; the arrow at (5) is the inverted image at the focal plane; the arrow Schematic of a Keplerian refracting telescope. The arrow at (4) is a (notional) representation of the original image; the arrow at (5) is the inverted image at the focal plane; the arrow](https://www.webel.com.au/sites/default/files/media/snippet/2538/Kepschem.png)
Schematic of a Keplerian refracting telescope. The arrow at (4) is a (notional) representation of the original image; the arrow at (5) is the inverted image at the focal plane; the arrow
![Draw a schematic diagram of a reflecting telescope (Cassegrain). Write its two advantages over a refracting telescope. Draw a schematic diagram of a reflecting telescope (Cassegrain). Write its two advantages over a refracting telescope.](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/234951_260889_ans.gif)