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Assertion: White light is incident on fa...

Assertion: White light is incident on face AB of an isosceles right angled prism as shown. Colours, for which refractive index of material of prism is more than 1.414, will be able to emerge from the face AC.

Reason:Total internal reflection cannot take place for the light travelling from a rarer medium to a denser medium.

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Why will not the total internal reflection take place if light travels from a rarer medium to a denser medium?

A ray of light is incident normally on one face of a right angled isosceles prism. It than graze the hypotenuse.The refractive index of material of prism is

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Between the angle of incidence and the angle of refraction which one is greater when light travels from a rarer to a denser medium?

The angle of refraction is always greater than the angle of incidence for a ray of light travelling from optically denser medium to a rarer medium.

The angle of refraction is always greater than the angle of incidence for a ray of light travelling from optically denser medium to a rarer medium.