Write down the differences between the total internal reflection and reflection from a plane mirror?

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Solution

Total internal reflection

Reflection from a plane mirror

Light must pass from a denser medium to a rarer medium.
The angle of incidence must be greater than the critical angle for that pair of media.

It takes place when the light is incident on a plane mirror from any medium and at any angle of incidence.

The entire light is reflected.

Only a part of the light is reflected while the rest is refracted and absorbed.

There is no loss of energy.

There is a loss of energy.

The image is much brighter and the brightness is permanent.

The image is less bright and the brightness decreases as the silvering on mirror becomes old and rough.

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Total internal reflection	Reflection from a plane mirror
Light must pass from a denser medium to a rarer medium. The angle of incidence must be greater than the critical angle for that pair of media.	It takes place when the light is incident on a plane mirror from any medium and at any angle of incidence.
The entire light is reflected.	Only a part of the light is reflected while the rest is refracted and absorbed.
There is no loss of energy.	There is a loss of energy.
The image is much brighter and the brightness is permanent.	The image is less bright and the brightness decreases as the silvering on mirror becomes old and rough.