An astronomical telescope in normal adjustement receives light from a distant source `S`. The tube length is now decreased slightly

An astronomical telescope in normal adjustment receives light from a distant source S . The tube length is now decreased slightly

The magnifytion power of the astronomical telescope for normal adjustment is 50cm. The focal length of the eyepiece is 2cm. The required length of the telescope for normal adjustment is

The magnifytion power of the astronomical telescope for normal adjustment is 50cm. The focal length of the eyepiece is 2cm. The required length of the telescope for normal adjustment is

Draw path of rays for astronomical telescope in normal adjustment.

In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye-piece forms a real image of this line. The length of this image is I. The magnification of the telescope is :

In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye piece forms a real image of this line. The length of this image is I . The magnification of the telescope is

In an astronomical telescope in normal adjustment a straight black line of length L is drawn on side part of objective lens. The eye-piece forms a real image of this line the length of this image is L. The magnification of the telescope is.