Advertisements
Advertisements
Question
The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as :
Options
P1 > P2
P1= P2
P1 < P2
P1 - P2 = atmospheric pressure
Solution
The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as : P1 < P2
APPEARS IN
RELATED QUESTIONS
In what direction does the buoyant force on an object immersed in a liquid act?
The density of aluminium is 2.7 g cm-3 and that of brass 8.4 g cm’3. The correct statement is
Define the term Density of a substance.
What is the law of floatation?
Why does a piece of ice float on water?
The S.I. unit of pressure is :
A beaker contains a liquid of density ‘ρ’ up to height ‘h’ such that ‘PA’ is atmospheric pressure and ‘g’ is the acceleration due to gravity. Answer the following questions:
- What is the pressure on the free surface of the liquid?
- What is the pressure on the base of the beaker?
- What is the lateral pressure at the base on the inner walls of the beaker?
The blood pressure reading of a patient is recorded 160/100. Express the lower pressure in SI units.
[Take density of mercury as 13.6 × 103 kgm−3 and the value of ‘g’ as 10 ms−2]
If the buoyant force is less, the object will float.
What do you understand by the term “Buoyancy”.
