What is the principle of Bernouli about pressure?

What is the principle of potentiomenter?

What is the principle of zone refining?

What is the main principle of atom bomb ?

What is the principle of simple periscope.

What is pressure?

What is pressure?

What is the unit of pressure?

What is the "principle of multiplication of thrust"? Explain this principle from Pascal's law. (Similar question : Derive working principle of hydraulic press from Pascal's law.)

What is the principle of Carius method for estimation of S?