Respuesta :
As the angle of incidence increases there is less refraction and more reflection and the brighghtness of the reflected ray increases.
What is angle of incidence?
The angle formed by a ray incident on a surface and the perpendicular line to the surface at the point of incidence is defined as the angle of incidence (called as normal).
The angle of incidence equals the reflected angle due to the law of reflection. The incidence and reflection angles are always equal, and they both lie on the same plane as the normal.
What happens when the angle of incicdence is very large?
We would see less refraction and more reflection as the angle was increased to greater and greater angles. That is, as the angle of incidence increases, the brightness of the refracted ray decreases while increasing the brightness of the reflected ray.
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