Physics - refraction of light and partial and total internal reflection
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10 Terms
When the beam of light enters a new medium, one side of the beam enters first and changes speed so the entire beam turns to keep itself uniformly straight
Why does light bend
Refraction
The bending of light when it travels between two different mediums
Refracts towards the normal
When light travels from a less-dense medium into a denser medium
Refracts away from the normal
When light travels from a denser medium into a less dense medium
N = C/V
Index of Refraction Formula
Index of refraction
N(in index of refraction formula meaning)
Speed of light in a vacuum
C(in index of refraction formula meaning)
Speed of light in the provided medium
V(in index of refraction formula meaning)
Critical angle
The angle in which when a ray of light refracts into it, it will stay/travel just along the border/division between the two mediums(staying in the one that it first entered)
Total internal reflection
A phenomenon in which the ray of light stays in and reflects within the first medium which occurs when the angle of the light ray is greater than the critical angle