Question

how do the periscope

Answer 1

The two mirrors work together to create a periscope. ... The mirror at the top of the periscope captures the image of whatever you're pointing it at. The image is then reflected back into the bottom mirror. Your eye views the reflection in the bottom mirror.

Answer 2

Find two small mirrors about the same size. ...Cut the tops off two clean milk cartons. ...Tape the two cartons together. ...Cut a hole on one side just big enough for a mirror. ...Insert a mirror facing the hole at a 45º angle. ...Cut a hole at the other end, facing the opposite direction.