(i) What is the relation between critical angle and refractive index o

1.	(i) What is the relation between critical angle and refractive index of a material?(ii) Does critical angle depend on the colour of light Explain.
Answer» (i) Relation between refractive index (n) and critical angle (C) is n = 1/sinC (ii) Yes, critical angle depends on wavelength or colour of light; it increases with increase of wavelength being maximum for red and minimum for violet.

(i) What is the relation between critical angle and refractive index of a material?(ii) Does critical angle depend on the colour of light Explain.

Answer»

(i) Relation between refractive index (n) and critical angle (C) is

n = 1/sinC

(ii) Yes, critical angle depends on wavelength or colour of light; it increases with increase of wavelength being maximum for red and minimum for violet.

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(i) What is the relation between critical angle and refractive index of a material?(ii) Does critical angle depend on the colour of light Explain.

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