Recent content by 91619

nvm, i got the answer.

I found the critical angle, which is the largest the angle could be without total internal reflection. But the question askes what is the largest the angle can be? I got 38.7 degrees and 56.2 degrees.

Homework Statement Light enters a solid 90 degree angled tube made of plastic having an index of refraction of 1.60. The light travels parallel to the upper part of the tube. which is horizontal You want to cut the corner of the tube so that all the light will reflect back into the tube...