Question

rules for refraction

Answer 1

The rules are:-
1) The incident ray,reflected ray and the normal to the surface at the point of incident all lie in one plan.
2)The angle of incident is always equal to the angle of reflection..

Hope this may help u.. :)

Answer 2

Rule of reflection are
1) incident ray ,normal, reflected ray lie on same plane.
2)angle of incident =angle of reflection
It is also called law of reflection