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Define lateral inversion.

Also ,please explain the 2nd law of reflection to me .

Hi Ravissha,
 
Lateral inversion is the effect produced by a plane mirror in reversing images from left to right. As we observe our image on a plane mirror, we can see that our left side is at the right side of the image and our right side is at the left side of the image.
 
The 2nd law of reflection states that the angle of incidence is equal to the angle of reflection. Angle of incidence is the angle made by the incident ray with the normal. The reflected ray is the angle made by the reflected ray with the normal.
The 2nd law of reflection says, Angle of incidence, i =Angle of reflection,  r
 
Hope this helps you.
Keep posting and have a nice day!

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this is the first law of reflection

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Hello everyone,
 
The explanation in my previous answer is for the 1st law of reflection. The 2nd law of reflection states that: The incident ray, the reflected ray and the normal to the reflecting surface are coplanar.
 
By coplanar it is meant that they lie on the same plane. For example, suppose you have placed a mirror perpendicular to the plane of a paper.
If you trace a ray of light incident on the mirror, and the incident ray lies on the plane of the paper. Then the reflected ran and the normal also lies on the plane of the paper.
 
 
Hope this helps you all.
Good Luck!

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