An astronomical telescope in normal adjustment receives

Last updated: 6/1/2023

An astronomical telescope in normal adjustment receives light from a distant source S The tube length is now decreased slightly then 1 A virtual image of S will be formed at a finite distance 2 No image will be formed 3 A small real image of S will be formed behind the eyepiece and close to it 4 A large real image of S will be formed behind the eveniece and far away from it