Reflection

What do you mean by Reflection ?

 

When the two mirrors are placed parallel to each other then , n+(360/zero) =( infinite )
The least size of the mirror required is one third the height of the wall of the room can see the full image of the wall behind him . 

 

 

If the image is  erect and of the same size as the object and it appears to be formed behind the mirror, the reflecting surface is plane. If the image is erect and formed behind the mirror but diminished in size for all positions of the mirror, the mirror must be convex . If the image erect formed behind the mirror and enlarged the the mirror is concave . 
The image can be seen from any position  , provided the line joining the eye to the image cuts the surface of the mirror Twilight is an example of diffused reflection of sunlight from clouds, dust particles and other floating particles in the air .
Convex mirror always from virtual image smaller than the object. 
If the mirror moves by a distance a towards or away from the object the image will also move by distance 2a in same phase. 
 If the object is displayed a distance towards or away from the mirror, then the image will be displayed by a distance towards or away from the mirror. 
A fish inside the water cannot see the entire surface . It sees only a circular path of radius r .
 
 
 
 

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