Make a working model of periscope and exhibit in your class room
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A periscope can be made in a simple manner and it is quite fun to construct it.
At first two pieces of cardboard are to be taken.
Both these cardboard should be cut into exactly similar shape and size. Next some box type structure is to be cut and fixed to this.
On one side, a small mirror is to be placed into this periscope. This mirror has to be placed inside very carefully so that it maintains an angle of forty five degree.
Just opposite to this side, another cut has to be made. Now this periscope is almost ready to be viewed for fun.
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