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Light falls glass to air. Find …

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Light falls glass to air. Find the angle of incidence for which the angle of deviation is 90.Refractive index of glass is root 2

    • Posted by Maria Anna Alwin 4 years, 9 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Sukhdev 4 years, 9 months ago

    As refrective index = 1/sinC So sinC =1/ refrective index SinC=1/1.414 So sinC = 0.7072 So C = sin–¹(0.7072) So C = 45°

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