Important Talent Search Exams
|Allen TALLENTEX 2018 (Class 5 to 11)|
|Aakash ANTHE 2017 : 100% Scholarship (Class 8, 9, 10)|
Consider a ray of light that travels from a denser medium to a rarer medium. The angle of incidence for which the angle of refraction becomes 90 is called critical angle. This is used for constructing totally reflecting prisms.
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