# All Questions

10 views

### Why does a panel of glass appear translucent when viewed from the edge?

Why does this happen? From the 'front' of the panel, the glass appears transparent. But viewed from the 'edges', it appears translucent...
11 views

### what is the gravitational power of a supermassive black hole at the event horizon

what is the gravitational power of a supermassive black hole at the event horizon i am currently theorizing time travel an would like to consider the possibility of charging a supermassive black hole ...
8 views

### Expectation value problems for non-eigenfunctions

The problem is #4 on http://ocw.mit.edu/courses/physics/8-04-quantum-physics-i-spring-2013/assignments/MIT8_04S13_ps2.pdf The problems are fairly straight-forward if an assumption is made that psi(x) ...
7 views

### Other frequencies and breaking glass

I know an individual can use the natural frequency of glass to break it, but is it possible to break glass with a frequency other than the natural frequency? Will the glass still vibrate if the ...
9 views

### What are diamagnets and paramagnets?

A paragraph in my text reads: An atom or ion with all electrons paired is not attracted by strong magnets and is termed 'diamagnetic'. In contrast, spins do not cancel when unpaired electrons are ...
12 views

33 views

### Distance of electromagnetic waves based on frequency

I would like to ask your opinion regarding this matter: Based on the relation of frequency and wavelengths, the higher the frequency, the shorter the wavelengths and therefore the distance of travel ...