Latest IIT-JEE Aptitude Question SOLUTION: A ray OP of monochromatic light is incident on the face AB of prism ABCD
near vertex B at an incident angle of 60º...If the refractive index of
the material of the prism is sqrt(3
A ray OP of monochromatic light is incident on the face AB of prism ABCD
near vertex B at an incident angle of 60º...If the refractive index of
the material of the prism is sqrt(3) , which of the following is (are) correct ?
(A) the ray gets totally internally reflected at face CD
(B) the ray comes out through face AD
(C) the angle between the incident ray and the emergent ray is 90º
(D) the angle between the incident ray and the emergent ray is 120º.
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?
frank
The wonder is not that mathematics describes the world so well but that it describes it at all.