All Questions
4
questions
3
votes
2
answers
162
views
Does electric field lines refract just like light? [closed]
Do electric field lines approaching a boundary at an angle get refracted and change direction just like light rays do?
Because will discussing electric field lines and flux associated with it we do ...
- 134
0
votes
1
answer
2k
views
Why exactly does light bend when it enters a different medium? [duplicate]
Simply: what happens to the electric(and magnetic) fields when it enters the medium? How does it interact with the molecules and how this interaction leads to the bending of light?
- 581
0
votes
1
answer
70
views
Total internal reflection of sine wave vs smooth step function [closed]
If an electric field described by the function
$$f(t)= \begin{cases}
0&\text{if}\ t<0\\
\sin(t)&\text{if}\ 0\leq t\leq \frac\pi2\\
\ 1&\text{if}\ t>\frac\pi2
\end{cases}$$
...
- 3
0
votes
2
answers
71
views
When electromagnetic radiation does work, does its amplitude decrease?
In the beginning of his lecture on the refractive index (Chapter 31), Feynman puts a radiating source on one side of a glass plane. He then claims that the electric field on the other side of the ...
- 519