Question

How does a reflecting telescope work

Answer 1

Refracting telescopes use lenses to focus the light, andreflecting telescopes use mirrors. I'll talk first about refracting ones. Refracting telescopes work by using two lenses to focus the light and make it look like the object is closer to you than it really is. Both lenses are in a shape that's called 'convex'.

Answer 2

Answer: A reflecting telescope is comprised of two lens namely the primary mirror which is attached to the tube at one end of the telescope and the secondary mirror, that is kept at the line of sight of the telescope's eyepiece containing a small magnifying lens. This two mirrors, sometimes can also be used as a mixture of convex and concave lens.

According to the law of reflection, a light incident on a plane gets reflected at a same angle.

So, in case of a reflecting telescope, focusing on an object, it allows the light to pass through the tube and strikes on the primary mirror at one end, which gets reflected back to the secondary mirror. This reflected light further gets reflected to the telescope's eyepiece, that enlarges the image and reaches to the eyes.

This is the working principle of a reflecting telescope.