Recent content by namvip6666

So, can you tell me the formula to calculate it?

Can you solve for me all of them. I don't kno*w how to do it.

Please! Help me.. I'm student. Homework Statement 1. A light ray reflected from a flat mirror moves through an angle of 143* as the mirror is rotated. Through **what angle was the mirror rotated? 2. The speed of light in a material is 0,57c. what is the critical angle of a light ray at the...