Question
If I send a laser beam in a container of water, (a semicircle shape), the incident ray from laser has to hit the strick flat face of the container at its center.
Why?
What if the container has plastic wall. Can I ignore the refraction of light through plastic.
Why?
What if the container has plastic wall. Can I ignore the refraction of light through plastic.
Answers
bobpursley
This really makes no sense, sorry.