Question

good evening all

explain partial reflection critical angle and total internal reflection with the help of a neat labelled diagram​

Answer 1

Answer:

Answer: critical angle is defined as the incident angle in denser medium for which the refracted angle is 90 degrees in the rarer medium. the total internal reflection takes place when the incident angle in denser medium is more than the critical angle.

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Answer 2

Answer:

critical angle is defined as the incident angle in denser medium for which the refracted angle is 90 degrees in the rarer medium. the total internal reflection takes place when the incident angle in denser medium is more than the critical angle