write the formula used when a light ray enters a medium (n2) from a medium (n1) at curved interface with radius of curvature R
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The formula for refraction at a curved surface, assuming the light ray goes from medium 1 to medium 2 is given by the formula:
(n2 / v) - (n1 / u) = (n2 - n1) / R
Where R is the radius of curvature, n1 is refractive index of medium 1 and n2 is refractive index of medium 2.
The derivation of this formula comes from proofs regarding similarity of triangles.
(n2 / v) - (n1 / u) = (n2 - n1) / R
Where R is the radius of curvature, n1 is refractive index of medium 1 and n2 is refractive index of medium 2.
The derivation of this formula comes from proofs regarding similarity of triangles.
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