I'm confused about the definition of the normal for light ray problems. I thought it was the line perpendicular to the point at which the light ray was incident.
How is the light ray in option D "entering along the normal"?
I tried to draw out the normal lines, and I'm confused by the other answer choices
In B, it appears to me that the light ray, upon entering the ball, it bends to the right with respect to the normal (not sure if this means towards or away from the normal). Upon...
Physics Q pack 63
How is the light ray in option D "entering along the normal"?
I tried to draw out the normal lines, and I'm confused by the other answer choices
In B, it appears to me that the light ray, upon entering the ball, it bends to the right with respect to the normal (not sure if this means towards or away from the normal). Upon...
Physics Q pack 63