Why is total internal reflecting prism preferred over plane mirror for reflectors?

Intensity of (reflected)light is more in total internal reflection

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Surface of total internal reflection is not prone to loss of silvering

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Both A and B

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None of the above

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Solution

The correct option is C Both A and B
$A n s w e r : -$ C option
In total internal reflection there is no significant loss of energy and the reflected ray has whole of the energy of incident light wave so a brighter image is formed, but in plane mirror some energy is absorbed inside hence loss of energy.

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Total internal reflecting mirrors are preferred over plane mirrors because

The difference between reflection of light from a plane mirror and total internal reflection of light from a prism is:

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