Mars subtends an angle of 8.0 3 1025 rad at the unaided
Chapter , Problem 97(choose chapter or problem)
Mars subtends an angle of 8.0 3 1025 rad at the unaided eye. An astronomical telescope has an eyepiece with a focal length of 0.032 m. When Mars is viewed using this telescope, it subtends an angle of 2.8 3 1023 rad. Find the focal length of the telescopes objective lens.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer