Question

What is used by submarines to watch the surface from a concealed position?
a. Periscope
b. Telescope
c. Microscope

Answer 1

What is used by submarines to watch the surface from a concealed position?
a. Periscope
b. Telescope
c. Microscope

Answer: A) Periscope

Answer 2

$<a>$Hey mate

a. periscope ✔
b. Telescope
c. microscope

According to your question correct option is a.$\huge{periscope}$

Extra information :-

⚪ It is an instrument which is used in land and sea welfare , submarine navigation.

⚪ Periscope is also used on world war II on tanks.

⚪ Periscope consist of outer mirrors with mirrors and set parallel to each other at 45° angle.

Hope it helps uh