1D: refraction and reflection
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14 Terms
Angle of incidence
The angle to the normal of a ray approaching a medium boundary
angle of reflection
the angle to the normal of a ray reflected at a medium boundary
angle of refraction
the angle to the normal of a ray refracted at a medium boundary
critical boundary
the angle above which total internal reflection occurs
normal
an imaginary line perpendicular to the medium boundary at the point of incidence
refraction
the change in direction of a wave moving between two mediums with different refractive indices
refractive index
for a given medium, the ration of the speed of light in a vacuum to the speed of light in that medium
total internal reflection
the reflection of all incident light at a boundary between two mediums
transmission
the transfer of wave energy through or between wave mediums
refractive index formula
n= c/v (n- refractive index of medium, c- speed of light in a vacuum, v- speed of light in medium)
refractive index and wave speed formula
n1v1=n2v2
Snell’s law
n1sin(θ1)=n2sin(θ2)
critical angle
n1sin(θc)=n2
wave equation (frequency)
v=fλ
Note 
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