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The curve of angle of incidence versus angle of deviaton wshown has been plotted for prism. Q. The value of refractive index of the prism used isA. `sqrt(3)`B. `sqrt(2)`C. `sqrt(3)//sqrt(2)`D. `2//sqrt(3)` |
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Answer» `delta=i+e-A` `delta_(min)=60^(@)` when `i=e` `therefore60^(@)=2i-A=2(60^(@))-A` `thereforeA=60^(@)` `thereforemu=(sin((A+delta_(min))/(2)))/(sin((A)/(2)))=(sin((60+60)/(2)))/(sin((60)/(2)))=sqrt(3)` |
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