All the colors of the visible light spectrum are made visible.
Refraction
When the light ray strikes the surface of the prism, both when it enters and when it leaves, it bends owing to the different in the speeds of light in air and the material of which the prism is made. The amount of bending depends in part on the frequency of the light which is related to the colour of the light, hence the appearance of a colour spectrum which can be seen from a triangular prism.
The various frequencies are separated.
it decreases
Total internal refraction happens when a light ray travel from a lighter medium to a denser medium. Ex. A light ray passing through a Prism.
Refraction
When the light ray strikes the surface of the prism, both when it enters and when it leaves, it bends owing to the different in the speeds of light in air and the material of which the prism is made. The amount of bending depends in part on the frequency of the light which is related to the colour of the light, hence the appearance of a colour spectrum which can be seen from a triangular prism.
The various frequencies are separated.
it decreases
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All the colors of the visible light spectrum are made visible.
It will not change. Glass slows light but does not change it frequency.
No, a light ray does not bend if it enters a glass block perpendicularly.
Total internal refraction happens when a light ray travel from a lighter medium to a denser medium. Ex. A light ray passing through a Prism.
reflection
when the ray is shone at the prism, refraction occurs and the light will split into it's original colour.
you get your spectrum by placing a prism in front of a single ray of white light, then by putting another prism opposite it the light will then go through that prism and in the end you will end up back with your single ray of light that you started with.