11 The refractive index of material...
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11 The refractive index of material of prism shown in figure is (symbols have usual meanings) (2) 202 (4) de man

JEE/Engineering Exams
Physics
Solution
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( x>0 ) ( x eq 90=30+90 ) ( x=30 ) ( R I=frac{sin (4 s)}{sin (30)}=frac{11 sqrt{2}}{1 / 2}=sqrt{2} )
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