Advertisements
Advertisements
प्रश्न
What is the use of altimeter?
Advertisements
उत्तर
संबंधित प्रश्न
State Pascal's law of transmission of pressure.
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
A force of 50 kgf is applied to the smaller piston of a hydraulic machine. Neglecting friction, find the force exerted on the large piston, if the diameters of the pistons are 5 cm and 25 cm respectively.
Select the correct option.
One Pascal is equal to
At a given place, a barometer records 70 cm of Hg. If the mercury in the barometer is replaced by water, what would be resulting in reading? (Density of Hg = 13600 kg/m3; Density of water = 1000 kg/m3)
Define the SI unit of pressure.
State two applications of Pascal's law.
Assertion: Pascal’s law is the working principle of a hydraulic lift.
Reason: Pressure is thrust per unit area.
