All Questions
Tagged with refraction visible-light
422
questions
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2
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179
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Can the colors of white light be separated through reflection alone?
Can the colors of white light be separated through reflection alone? My answer to this is no since if we want to separate the colors, we use prism and when light passes through a prism, the dispersion ...
- 11
2
votes
1
answer
364
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How did Newton explain why a prism bends light rays causing the colors to separate?
We know today that light has wavelike properties. This explains why the rays are bent when they enter the prism. Light slows down when traveling through a medium, as the trough enters the prism before ...
- 121
0
votes
1
answer
89
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What would stationary light look like? [closed]
I mean, have we ever witnessed what we understand and call as light at rest, and what would it look like at rest?
0
votes
1
answer
51
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What is the definition of absolute refractive index of a medium?
I know the definition is the ratio of the speed of light in vacuum to the phase velocity of light in the given medium. Here, which color of light do we consider while calculating the ratio? For ...
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3
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81
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Can anyone explain this peculiar optical phenomina?
I have been a passenger in a car driving at night in cambodia,
I have noticed that the lights from the cars appear to be lines instead of a circular symetric glow.
I know my eyes have the condition ...
- 6,636
0
votes
1
answer
163
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Difference between Earth's surface area seen from ISS and the theoretical area if light refraction is neglected
What is the difference between Earth's surface area seen from ISS and the theoretical area if light refraction is neglected? I watched a video telling that it is not possible to know why a great ...
- 2,255
1
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1
answer
136
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Is it true to say no refraction takes place when a ray comes along normal drawn to interface?
Many books and websites in our country say that there are two conditions for no refraction of light:
If index of Refraction of media on both sides is same.
If the ray of light falls normally on the ...
- 1,357
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votes
1
answer
66
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How are sunglasses only reflective on one side?
Sunglasses can be colored on one side, and dark on the other? Why aren’t both sides either dark or both sides colored. I figured it worked like a one way mirror - but after holding both sides up to ...
- 87
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1
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113
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What if water had negative index of refraction
I was reading a book of mine that states that if water had a negative index of refraction then we'd see fish suspended in air. Why? Should not we see still it in water but far away respect to its real ...
27
votes
1
answer
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White full moon reflected orange-red light off of Atlantic Ocean surface. Why is this?
I was flying over the Atlantic at night in near complete darkness. There was a white, bright full moon. It’s moonglade (the light reflected off the waters surface) was a orange-red color and not white....
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1
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119
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Water trick, explanation needed
So I encountered this video of glass changing colors when placed in water and outside of it.
How is it explained by physics?
Video: Guy puts glass on table where is no water, and the glass appears to ...
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answer
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Non-dispersive mediums for light
Apart from the vacuum are there other mediums for which light velocity does not depend on frequency?
15
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11
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Can you actually stand inside a rainbow? I see people claiming you can
I have been thinking about this for ages and it has been driving me crazy. I was convinced that rainbows are always complete circles that appear to be arcs because they cross the horizon. Then, I saw ...
- 183
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1
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118
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Glass Slab to Prism! [closed]
Hi I want to know how the refraction of light takes place in different cases!
Like Here is an image
In this case the light refracte simply. While in the prism refraction of light becomes quite tricky....
- 35
-1
votes
1
answer
596
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What does light travel through or why it is independent of a medium? [duplicate]
According to my research and understanding I cant get over the fact that light needs no media to travel, or is it scientifically or mathematically proven?
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