A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is . The maximum possible deviation of the ray will be |
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a) |
b) |
c) |
d) |

A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is . The maximum possible deviation of the ray will be |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

When the ray passes into the rarer medium, the deviation is . This can have a maximum value of for and

When total internal reflection occurs, the deviation is , the minimum value of being . The maximum value of

127 votes

127