D A ray is incident on a plane refracting surface as shown in the figure The incident ray vector is A 2 3 1 2 If the refractive

Question

D A ray is incident on a plane refracting surface as shown in the figure The incident ray vector is A 2 3 1 2 If the refractive index of the medium is 3 the angle of refraction will be Y 1 45 2 30 3 15 4 60 A O 3 Air X

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