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Grade 129 grade science

What is critical angle .......................................

Profile image of Divyanshu Darshan
8 Years agoGrade 12
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1 Answer

Profile image of Priyanshu priyadarshi
ApprovedApproved Tutor Answer8 Years ago
Critical angle is that angle of incidence in denser medium for which the angle of refraction in the rarer medium is 90 degree