Question

what type of mirror are use in periscope​

Answer 1

Answer:

plane mirrors :

For a simple periscope, only plane mirrors are used. For some distance visions, an enlarged view of the object is required and hence convex mirrors are helpful.

Answer 2

Answer:

plane mirrors

Note: For a simple periscope, only plane mirrors are used. For some distance visions, an enlarged view of the object is required and hence convex mirrors are helpful. A double inversion of the object will produce an erect image. This can be applied for convex mirrors to view too close objects.