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Define:

  1. Incident ray
  2. Point of incidence
  3. Reflected ray
  4. Normal at point of incidence
  5. Angle of incidence

 

Asked by Topperlearning User 15th May 2015, 7:02 AM
Answered by Expert
Answer:
  1. Incident ray: A ray of light from a source that falls on the surface is called an incident ray of light.
  2. Point of incidence: The point on the surface where the incident ray strikes the surface is called the point of incidence.
  3. Reflected ray: The ray of light that bounces back from the surface of an object is called a reflected ray of light.
  4. Normal at point of incidence: A line drawn perpendicular on the surface (i.e. making 90° angle with the surface) of an object at the point of incidence is called a normal point of incidence.
  5. Angle of incidence: The angle formed between the incident ray and the normal is called the angle of incidence.

 

Answered by Expert 15th May 2015, 9:02 AM
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