What is difference between total internal …

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Yogita Ingle 6 years, 3 months ago
Total Internal Reflection
Reflection from a plane mirror
It takes place only when light passes from a denser medium to a rarer medium at an angle of incidence greater than the critical angle for that pair of media.
It takes place when light is incident on a plane mirror from any medium at any angle of incidence.
The entire light is reflected.
Only a part of light is reflected while rest is refracted and absorbed.
There is no loss of energy. The energy of reflected ray is same as that of incident ray.
There is a loss of energy. The energy of reflected ray is less than that of the incident ray.
The image is much brighter and the brightness is permanent.
The image is less bright and the brightness gradually decreases as the silvering on mirror becomes old and rough.
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