Question

When a ray of light travels from air to water, its speeds up.

22.The incident ray, the normal to the mirror at the point of incidence and the reflected ray, all lie in the

same plane.

23.Image formed bya plane mirror is always virtual and erect.

24.The principalfocus of a spherical mirror lies midway between the pole and centre of curvature​

Answer 1

Answer:

the speed of ray become decrease when they goes to air to water