The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
0answers
28 views

Law of refelction for electron-metal interactions?

I was reading 'Webb's Physics of Medical Imaging' which had a diagram very similar to the following in it: The interaction not the electrons with the anode creates x-rays. This diagram indicates ...
0
votes
0answers
38 views

What's the difference between two types of diaphragms?

What's the principal difference between aperture iris diaphragm and field iris diaphragm?
0
votes
0answers
41 views

Inverse problem for MRI imaging

Background: Recently, I read a paper describing the existence of what are known as "concomitant gradient fields" in MRI. When a linear gradient is applied along one axis, concomitant gradient fields ...
0
votes
0answers
30 views

What is the transfer function in fft beam propagation for unpolarized light?

What is the transfer function in fft beam propagation for unpolarized light ? How to construct the fft beam propagation ? This is for homework. For coherent light the beam propagation is E(x,z) ...
0
votes
1answer
59 views

Thick mirror produces number of images

Why is second image always bright ? This question is so often asked in mcat examination but I find no legitimate answer to it .