7 A telescope has an objective of focal length 50 cm and

Last updated: 6/9/2023

7 A telescope has an objective of focal length 50 cm and eyepiece of focal length 5 cm The least distance of distinct vision is 25 cm The telescope is focused for distinct vision on a scale 200 cm away from the objective calculate i the separation between the objective and the eyepiece ii the magnification produced Ans 72 91 cm 1 3