All Questions
11
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Let's say I have manufactured a prism from a non-dispersive medium, then light coming from air wouldn't split into colours right?
Let's say I have manufactured a prism from a non-dispersive medium, then light coming from air incident on the prism wouldn't split into colours, right? I mean light still changes direction, but all ...
- 959
0
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1
answer
56
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Generally speaking, the speed of a wave depends on the medium and the wave type, so waves of the same type in the same medium attain the same speed [duplicate]
My question is, given the above statement, why electromagnetic waves attain different speeds in media other than vacuum even though they are of the same type and propagate in the same medium?
- 959
0
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1
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Why is the refractive index of blue light larger than red light in water while the refractive index of radiowaves is larger than both?
So I thought the reason why radio waves have a relatively high refractive index in water is because they have a low frequency which increases the permittivity, but blue light that has a higher ...
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0
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1
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Why refractive index of same material is different for different monochromatic lights?
Yeah I know that refractive index is different for different monohromatic lights due to the change in velocity of light. And as frequency doesn't changes and only wavelength changes while travelling ...
15
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6
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Why are red and blue light refracted differently if they travel at the same speed in the same medium?
When I look at Snell's law
$\frac{\sin\theta_2}{\sin\theta_1} = \frac{v_2}{v_1} = \frac{n_1}{n_2}$
I don't see any reference to wavelength.
If red and blue have the same speed in the same medium, why ...
-1
votes
1
answer
53
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Confusion on the indice of refraction: is it dependent on the frequency or not? [duplicate]
I saw in my course than when light hit a medium, it makes some dipole oscillating with the same frequency as the one of the light $\omega$. By a classical mechanics reasoning, one can show that the ...
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1
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2
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5k
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Why does violet light bend the most? [duplicate]
When white light passes through a prism, refraction occurs and it splits into its seven constituent colours. If the spectrum is obtained on a screen violet light appears much more bent than red light.
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1
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2
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Dispersion through Glass Slab
My questions related Dispersion through Glass Slab:
Why does a parallel surface makes a difference?
Why is that light do get disperse in a prism and a glass slab at surface one but at backs normal ...
user232991
1
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1
answer
2k
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Why is the speed of light the same for all colors in a vacuum but different depending on the color when light goes through a non-air medium? [duplicate]
I know that red light travels faster in non-air mediums than blue light because of its wavelength, but I'm not understanding why this doesn't happen in a vacuum? This is related to the topic of ...
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-4
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2
answers
390
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Speed of the color red
Taking aside all of the other variables that can alter the color's speed; i.e. sound, mass, water, magnetism. And just focusing on the color itself, how fast does the color red travel, using the means ...
61
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4
answers
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Why do prisms work (why is refraction frequency dependent)?
It is well known that a prism can "split light" by separating different frequencies of light:
Many sources state that the reason this happens is that the index of refraction is different for ...
- 12k