43 A telescope with objective of focal length 60 cm and eye

Last updated: 5/29/2023

43 A telescope with objective of focal length 60 cm and eye piece of focal length 5 cm is focused on a far distance object such that the parallel rays emerge from eye piece If object subtends an angle 2 on objective then angular width of the image is 1 62 3 24 2 48 4 12