Question

The apparatus used in submarines to give clear view of the objects on the surfaceof the ocean or ground is known as_________ .a) Periscope
b) sectant
c) stereoscope
d) telescope

Answer 1

The apparatus used in submarines to give clear view of the objects on the surfaceof the ocean or ground is known as "Periscope".

Answer 2

The apparatus used in submarines to give clear view of the objects on the surfaceof the ocean or ground is known as Periscope.