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What is critical angle?

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What is critical angle?

Posted by Viveswan Singh 8 years, 1 month ago

CBSE > Class 12 > Physics

3 answers

Jin Kazama 8 years, 1 month ago

if incident angle be >critical then TIR occur

Jin Kazama 8 years, 1 month ago

it is incident angle on which refractive angle become 90° during a ray passes from denser to rarer

Shivanshu Yadav 8 years, 1 month ago

The angle in which when ray of light goes from denser to rarer medium than angle of refraction is greater than the 90 degree is called critical angle

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