An isosceles prism of angle 120* has a refractive index 1.44.Two parallel monochromatic rays enter the prism parallel to each other as shown in figure.the ray emerge from the opposite faces-(A)Are parallel to each other(B)are diverging(C) make an angle 2[sin^ -1(0.72)-30*] with each other(D) make an angle 2 sin^ -1(0.72) with each otherCorrect answer is (C)Can someone please tell me how to solve this!I am attaching the link of the FIGURE too.. tyhttp://www.mediafire.com/?25boc7d2s7oal8u

An isosceles prism of angle 120* has a refractive index 1.44.Two parallel monochromatic rays enter the prism parallel to each other as shown in figure.the ray emerge from the opposite faces-(A)Are parallel to each other(B)are diverging(C) make an angle 2[sin^ -1(0.72)-30*] with each other(D) make an angle 2 sin^ -1(0.72) with each otherCorrect answer is (C)Can someone please tell me how to solve this!I am attaching the link of the FIGURE too.. tyhttp://www.mediafire.com/?25boc7d2s7oal8u