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Following are graphs of angle of deviation versus angle of incidence. Based on the above graphs mark the correct options. |
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Answer» Graph-a may be a part of the graph for ray of light that travels from DENSER to rarer medium  `delta=i-r` `delta=i-sin^(-1) (sini)/mu` non-linear increasing function of i. slope of tangent `(d delta)/d_(i)=1-(COS i)/sqrt(mu^(2)-sin^(2)i)` Slope of tangent increases as i increases Hence'c' is not the graph for light that travels from rarer to denser medium. 
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