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```				   sir .please suggest the proof of laws of reflection.uuuuuuuuu
```

6 years ago

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```										Dear student,
Experimental Proof of Optics Law of Reflection

The  optics law of reflection can be proved by a simple experiment.  As  shown in the above diagram, place a mirror on a white card board at  right angle to the plane of the card board. It is essential that the  plane of the board must be horizontal.
Select  a convenient point O on the line of the mirror and draw a normal On to  the line of mirror at O.  Draw a line OA at any convenient angle i to  the the normal. Take a few thin nails sharp enough to pierce the card  board. Fix two nails on the line OA as shown.
Coming  to the other side of the normal, view the images of the nails that are  already fixed. Now take two more nails and fix them in such a way that  these two nails and the two images of the nails earlier fixed are in a  straight line.
Now draw a  line passing through the points on which the last two nails were fixed.  You will find the line will intersect at O and measure its angle with  On. You will find that to be exactly equal to measure of angle i.
This proves the optics law of reflection.

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```
6 years ago

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