All Questions
5
questions
1
vote
1
answer
54
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Region created by locus of reflected lines
This may be more a physics topic but I feel like it is a math stack exchange topic.
Say you had a circular reflective surface with rays coming in parallel to the surface. They rays reflect with angle ...
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0
votes
1
answer
122
views
Reflection in a tube
My initial query was to find the distance, denoted $a$ from the centre, which a light source radiating in all directions (see below, where centre is represented by a black dot and light source by an ...
- 3
3
votes
2
answers
1k
views
How do I deal with reflections inside an ellipse?
Suppose I have an ellipse with foci $F_1$ and $F_2$. How do I show that any ray of light which intersects the segment connecting the foci will have subsequent reflections that always are tangent to ...
- 571
6
votes
0
answers
198
views
A light beam enters a closed room. What is the maximal number of reflections?
I have the following problem: a light beam enters a mirror room with integer coordinates in the plane (consider it as a polygon). One of the walls of the room is removed and the light beam enters the ...
- 181
2
votes
3
answers
285
views
Reflecting a golfball off a wall to a hole and compensating for the balls radius
Problem: I'm struggling to compensate for the radius of a ball when reflecting it off a wall towards a target. (sorry I cannot yet post images)
What I want is to do this:
golf reflections
but this ...
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