The length of an astronomical telescope adjusted for

Last updated: 6/24/2023

The length of an astronomical telescope adjusted for parallel light is 90 cm If the magnifying power of the telescope is 17 then the focal length of eyepiece and objective are respectively 1 10 cm and 80 cm 2 85 cm and 5 cm 3 70 cm and 20 cm 4 5 cm and 85 cm