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How do you find the refractive index of a liquid by using a convex lens and a plan mirror?
Wiki User
∙ 10y ago
Using Snell's law, n(1)=(n(2) x sin angle (2)) / sin angle (1).
n(1)= The refractive index of the more optically dense medium.
n(2)= The refractive index of the less optically dense medium.
angle (1)= The critical angle of the two mediums.
angle (2)= 90 degrees since when light is at the critical angle it undergoes total internal reflection.
Since sin 90= 1, this can be ignored, resulting in n(1)= n(2) / sin angle (1)
Wiki User
∙ 16y ago
Wiki User
∙ 10y agopriciple of finding refractive index of liquid using convex lens
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