State True or False :
A light entering normal to one of the surfaces of $30^{o}, 90^{o}, 60^{o}$ prism suffers total internal reflection on one of the surfaces.

True

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False

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Solution

The correct option is A True
It depends from which side light is entering and draw ray diagrams corresponding to that using Snell's law. Suppose ray is entering as shown in figure, than at B point there is total internal reflection.

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Diffused reflection takes place on polished surfaces. State if the statement is true or false.

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State True or False :A light entering normal to one of the surfaces of 30o,90o,60o prism suffers total internal reflection on one of the surfaces.

The correct option is A TrueIt depends from which side light is entering and draw ray diagrams corresponding to that using Snell's law. Suppose ray is entering as shown in figure, than at B point there is total internal reflection.

State True or False :
A light entering normal to one of the surfaces of $30^{o}, 90^{o}, 60^{o}$ prism suffers total internal reflection on one of the surfaces.

The correct option is A True
It depends from which side light is entering and draw ray diagrams corresponding to that using Snell's law. Suppose ray is entering as shown in figure, than at B point there is total internal reflection.