Ray Optics: Minimum diameter of eye lens in a telescope.
Not what you're looking for?
A 20X telescope has a 12cm diameter objective lens.
What minimum diameter must the eyepiece lens have to collect all the light rays from an on-axis distant source?
Purchase this Solution
Solution Summary
Minimum diameter of eye lens in a telescope is calculated to get all rays from objective.
Solution Preview
Please see the attached.
Optical systems that magnify
A 20X telescope has a 12cm diameter objective lens.
What minimum diameter must the eyepiece lens have to collect all the light rays from an on-axis distant source?
"I guess they want us to use the minimum spot ...
Purchase this Solution
Free BrainMass Quizzes
The Moon
Test your knowledge of moon phases and movement.
Classical Mechanics
This quiz is designed to test and improve your knowledge on Classical Mechanics.
Introduction to Nanotechnology/Nanomaterials
This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.
Intro to the Physics Waves
Some short-answer questions involving the basic vocabulary of string, sound, and water waves.
Basic Physics
This quiz will test your knowledge about basic Physics.