2
votes
Geometrical and wave physical effects
Geometrical Optics is what can be built on the assumptions that light travels through a homogeneous medium in a straight line, and that light bends at the interface between media in accordance with ...
- 33.9k
2
votes
How does Planck's Constant solve the ultraviolet catastrophe?
The idea behind the Planck constant is that the energy $E$ carried away by radiation is quantized. Mathematically, the relation is
$$E = h \nu$$
where h is Planck's constant, and $\nu$ is the ...
- 1,052
1
vote
Accepted
Confusion about energy transport in a circuit
The wave "knows" where the bulb is because the EM field is directed by the wires to the bulb: The H-field surrounds the wire, while the E-field is between the wires.
Experimentally, there is ...
- 17.2k
1
vote
When exactly does a change in $E$ or $B$ result in an electromagnetic wave?
There are two separate issues here:
what kind of electromagnetic fields constitute "waves" or "radiation"?
how does the field of an inertially moving point charge arise, and why ...
- 55.9k
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