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[" A light ray is incident on a transpar...

[" A light ray is incident on a transparent sphere of index "=sqrt(2)" ,at an angle of incidence "=45^(@)." What is "],[" the deviation of a tiny fraction of the ray,which enters the sphere,underges two internal reflections "],[" and then refracts out into air? "],[[" (A) "270^(@)," (B) "240^(@)," (C) "120^(@)," (D) "180^(@)]]

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