The instrument which is used in submarine to see the objects above sea level is called?
a. Poly meter
b. Polygraph
c. Photometer
d. Periscope
Answers
Answered by
0
Hello there
The answer is periscope
it is made of mirror and a cylindrical tube
Thank You
Answered by
0
Heyaaa mate
Here is your answer
polygraph
hope it helps you quickly
Similar questions