Questions
A ray of light incident at an angle on a refracting face of a prism emerges from the other face normally. If the angle of the prism is and the prism is made of a material of refractive index 1.5 the angle of incidence is
detailed solution
Correct option is A
as it is coming out normally i2=0 then r2=0 hence r1=Afor small angle sin i1sin r1=i1r1 =μi1=μr1=1.5×5 =7.5Talk to our academic expert!
Similar Questions
Refractive index of a transparent material for violet light is 1.585 and that for red light is 1.485. A thin prism is made of this material and a ray of white light is incident on one refracting surface of this prism at near normal incidence. Then ratio of angle of dispersion to the mean angle of deviation is
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