Question

write any two important thing to be considered while making a periscope ​

Answer 1

The mirror should be positioned on the carton box at a - degree angle so that light from one mirror is reflected by the other mirror. The size of the box or tube that is used to make the periscope should be according to the 'size of the mirrors' used.

Answer 2

Answer:

Periscope is the optical instruments that uses a system of prisms, lenses or mirrors to reflect images through a tube.