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Light – CBSE Class 8 Science
What is the reflection of light? the difference between refraction and reflection, angle of reflection, the law of reflection, and reflective index, etc. important topics are described in this video.
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Let’s start with,
Laws of Reflection :
After striking the mirror, the ray of light is reflected in another direction. The light ray, which strikes any surface, is called the incident ray. The ray that comes back from the surface after reflection is known as the reflected ray.
Draw lines showing the position of the plane mirror, the incident ray and the reflected ray on the paper with the help of your friends. Remove the mirror and the comb. Draw a line making an angle of 90º to the line representing the mirror at the point where the incident ray strikes the mirror. This line is known as the normal to the reflecting surface at that point.
The angle between the normal and incident ray is called the angle of incidence (∠i). The angle between the normal and the reflected ray is known as the angle of reflection (∠r)
All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.
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