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6. What is a reflection of light? State laws of reflection.

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Reflection of light occurs when light waves encounter a surface and bounce back. The laws of reflection describe the behavior of light during this process. These laws are as follows: The Incident Ray, the Reflected Ray, and the Normal Are All in the Same Plane: When light strikes a surface, the...
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Reflection of light occurs when light waves encounter a surface and bounce back. The laws of reflection describe the behavior of light during this process. These laws are as follows:

  1. The Incident Ray, the Reflected Ray, and the Normal Are All in the Same Plane:

    • When light strikes a surface, the incident ray (the incoming ray of light), the reflected ray (the outgoing ray of light after reflection), and the normal (an imaginary line perpendicular to the surface at the point of incidence) all lie in the same plane.
  2. The Angle of Incidence Equals the Angle of Reflection:

    • The angle of incidence (the angle between the incident ray and the normal) is equal to the angle of reflection (the angle between the reflected ray and the normal). This relationship can be expressed mathematically as θi = θr, where θi is the angle of incidence and θr is the angle of reflection.

These laws apply to light reflection from smooth surfaces. When light reflects off a rough surface, the reflection is diffuse, meaning the light scatters in various directions, and the laws of reflection may not apply as precisely.

 
 
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