19 Draw a labelled ray diagram of an astronomical telescope

Last updated: 6/7/2023

19 Draw a labelled ray diagram of an astronomical telescope in the near point adjustment position 3 A giant refracting telescope at an observatory has an objective lens of focal length 15 m and an eyepiece of focal length 1 0 cm If this telescope is used to view the Moon find the diameter of the image of the Moon formed by the objective lens The diameter of the Moon is 3 48 x 106 m and the radius of lunar orbit is 3 8 x 108 m