How to find angle of reflection physics. In lesson 1 we learned that if a light wave passes from a medium in which it travels slow relatively speaking into a medium in which it travels fast then the light wave would refract away from. The angle of reflection of a ray or beam is the angle measured from the reflected ray to the surface normal. The law of reflection states that the angle of incidence is equal to the angle of reflection and this law is observed on both smooth surfaces producing specular reflections where reflected rays.
The law of reflection states that the angle of reflection equals the angle of incidenceor oi. In the reflection of light the angle of incidence is equal to the angle of reflection measured from the normal the line perpendicular to the point of impact. A ray of light is approaching a set of three mirrors as shown in the diagram.
Refraction is caused by the change in speed experienced by a wave when it changes medium. For total internal reflection to occur the light must start in the material with the higher index. Refraction is the bending of the path of a light wave as it passes across the boundary separating two media.
Or in more mathematical language. The angles are measured relative to the perpendicular to the surface at the point where the ray strikes the surface. Waves bounce off a surface at the same angle they strike it.
From the law of reflection where is the angle of incidence. Reflection of light in a mirror.