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Question

At what angle should a ray of light be incident on the face of a prism of refracting angle 60 so that it just suffers total internal reflection at the other face. The refractive index of the prism is 1.524.
152092_6b021d666a564548897562ea42ffb353.png
  1. 40
  2. 50
  3. 30
  4. 60

A
40
B
60
C
30
D
50
Solution
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sinc=1μ=11.524=0.65orc=4030

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Q1
At what angle should a ray of light be incident on the face of a prism of refracting angle 60 so that it just suffers total internal reflection at the other face. The refractive index of the prism is 1.524.
152092_6b021d666a564548897562ea42ffb353.png
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Q2

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