On what principle does the submarines based?

Archimedes' principle states that when a body is totally or partially immersed in a fluid. the up thrust is equal to:

Construction of submarines is based on

What is Archimedes principle ?

State Archimedes' principle.

Archimedes' principle does not apply to gases.

State the Archimedes principle.

 States the Archimedes' principle. List its two applications.

When a body is weighted in a liquid, the loss in its weight depends upon: