Question

take an Empty toothpaste and to Mirror strips of required size and make a periscope

Answer 1

yap,
take the mirror and put them in such that an isosceles triangle with two angles 45degree are formed.
do the same on to the below inside opposite to the toothpaste.
Now,
cover the toothpaste
make two holes on the front of both of mirrors.
ur periscope is ready
hope it helps you dear