ICSE Class 10 Answered
copy figure (a),(b),(c) in your answer book.complete the path of the rays incident normally on the faces of the right angled isosceles prism as shown.draw any normal required, mark important angles and show clearly where the rays emerge from the prism in each case. assume critical angle C=42° degree for the material of the prisms. also ,explain briefly why did you choose the particular paths at the boundaries (air- glass and glass -air).
Asked by kumargangwarn | 06 Jul, 2020, 02:32: PM
Expert Answer
The critical angle is 42 degrees so if the angle of incidence is greater than 42 degree, total internal reflection of light takes place.
Answered by Utkarsh Lokhande | 07 Jul, 2020, 04:57: PM
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