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Physics
Multiple Choice Question with Two or More Choices Correct The deviation produced by a prism depends on (a) the refractive index of the material of the prism (b) the refractive index of the medium surrounding the prism (c) the refracting angle of the prism (d) the angle of incidence of the ray falling on the prism
Chemistry
True or False : Ozone is not poisonous in nature.
Mathematics
Let a, b, c be three vectors having magnitude 1, 1 and 2 respectively. If a x (a x c) + b = 0 then the acute angle between a and c is ........... .