All Questions
Tagged with refraction geometric-optics
245
questions
2
votes
1
answer
437
views
Perfectly focusing refractive surface
On reading Feynman's lecture on physics, in the geometrical optics section he said that a curve which focuses all the rays coming from a point to another fixed point beyond the refracting surface ...
- 3,148
4
votes
2
answers
3k
views
Goldfish perspective
What does the world look like from the Goldfish point of view, from inside a spherical aquarium?
If our eyes were inside, would we be able to see the straight lines, focus on different objects and ...
- 833
18
votes
3
answers
35k
views
Clarification needed in the concept of apparent depth & real depth
I understood the concept of apparent depth from here:
But one thing I didn't understand is, will there be difference in the real depth and apparent depth when we are looking not at an angle as shown ...
- 7,335
5
votes
3
answers
2k
views
Snell's law starting from QED? [duplicate]
Can one "interpret" Snell's law in terms of QED and the photon picture? How would one justifiy this interpretation with some degree of mathematical rigour? At the end I would like to have a direct ...
- 2,125
44
votes
4
answers
277k
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Virtual vs Real image
I'm doing magnification and lens in class currently, and I really don't get why virtual and real images are called what they are.
A virtual image occurs the object is less than the focal length of ...
- 6,927