where will the final image of an object at infinity be ?

Sahay Sir > Question Answers > where will the final image of an object at infinity be ?
A Cassegrainian telescope uses two mirrors as shown in Fig. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of large mirror is 220 mm and the small mirror is 140 mm, where will the final image of an object at infinity be ?
19
Nov
A Cassegrainian telescope uses two mirrors as shown in Fig. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of large mirror is 220 mm and the small mirror is 140 mm, where will the final image of an object at infinity be ? A Cassegrainian telescope uses [...]
Posted in: Chapter 9 - Ray Optics and Optical Instruments , NCERT Exemplar Class 12 , Physics ,
Tags: A Cassegrainian telescope uses two mirrors as shown in Fig. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of large mirror is 220 mm and the small mirror is 140 mm , where will the final image of an object at infinity be ? ,