The critical angle of refraction for calcite is 68.4 when it forms a boundary with water. Use this information to determine the speed of light in Calcite. Assume the refractive index of water, 1.333, is less than the refractive index of calcite.

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Mathematics

Mya Schwartz

21 September, 21:41

The critical angle of refraction for calcite is 68.4 when it forms a boundary with water. Use this information to determine the speed of light in Calcite. Assume the refractive index of water, 1.333, is less than the refractive index of calcite.

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Cohen Watkins · Answer 1

Using Snell's law with

N2=1.33 for water

N1 sin A1 = N2 sin A2 = N2

N1 = 1.33/sinA

so, the speed of light in clctie = (3*10^8 m/s) / 1.43

= 1*10^8 m/s