A Galilean telescope is constructed by an objective of focal length 50 cm and a eyepiece
Channel: Doubtnut
Date: 2020-06-28

A Galilean telescope is constructed by an objective of focal length 50 cm and a eyepiece of focal length 5.0 cm a. find the tube length and magnifying power when it is used to see n object at a large distancei normal adjustment b. if the telescope is to focus an object 2.0 m away from the objective what should be the tube length and angular magnification, the image again forming at infinity?