Chapter: 10
Light Reflection and refraction!
What is normal??
What is it's role in obtaining the image?!?!
Why do we draw normal??
Answers
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1
Answer:
Normal is an imaginary line perpendicular to the surface reflecting the light. the angle between the path of the incoming ray of light and the normal is called angle of incidence, and the angle that the reflected ray makes with the normal is called angle of reflection.
A ray of light is incident on a totally reflecting surface (mirror) at a certain point. ... If we draw a line which is perpendicular to the reflecting surface at the point of incidence, this line is called the normal. As such it is an imaginary line perpendicular to the surface reflecting the light.
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Answer:
Normal is nothing but a direction which is perpendicular to any curve at a particular point.
Explanation:
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