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Standard VIII

Physics

Fermat's Principle

A ray of ligh...

Question

A ray of light is passing from air into glass. If the angle of incidence, with respect to the normal to the interface, is increased. Then,

total internal reflection will occur when the angle of incidence equals the critical angle.

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total internal reflection will occur when the angle of incidence less than the critical angle.

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total internal reflection will occur when the angle of incidence greater than the critical angle.

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There will be no total internal reflection.

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Solution

The correct option is D There will be no total internal reflection.
Since light is going from rarer to denser medium, therefore no total internal reflection will occur.
Hence option (d) is correct.

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A ray of light is passing from air into glass. If the angle of incidence, with respect to the normal to the interface, is increased. Then,

The correct option is D There will be no total internal reflection.Since light is going from rarer to denser medium, therefore no total internal reflection will occur. Hence option (d) is correct.

The correct option is D There will be no total internal reflection.
Since light is going from rarer to denser medium, therefore no total internal reflection will occur.
Hence option (d) is correct.