Define normal ray?
Dear Student,
In optics, a normal ray is a ray that is incident at 90 degrees to a surface. That is, the light ray is perpendicular or normal to the surface. The angle of incidence (angle an incident light ray makes with a normal to the surface) of the normal ray is 0 degrees.
Regards,
Daivik Lakshmipathy.
In optics, a normal ray is a ray that is incident at 90 degrees to a surface. That is, the light ray is perpendicular or normal to the surface. The angle of incidence (angle an incident light ray makes with a normal to the surface) of the normal ray is 0 degrees.
Regards,
Daivik Lakshmipathy.