MEDIUM
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What can be the reasons of life not present on the moon?

Important Questions on Pressure, Winds, Storms, and Cyclones

MEDIUM
A block of mass 3 kg and density ρ, suspended from a spring balance is immersed in a liquid of density ρ3.  Then the balance would read weight as: 
EASY
Two stretched membranes of areas 1 cm2 and 2 cm2 are placed in a liquid at the same depth. The ratio of the pressure on them is 
MEDIUM
The figure shows two fish tank, each having ends of width 1 foot. Tank A is 3 feet long while tank B is 6 feet long. Both tanks are filled with 1 foot of water


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SA= the magnitude of the force of the water on the end of tank A  ( right vertical surface )

SB= the magnitude of the force of the water on the end of tank B  ( right vertical surface)

BA= the magnitude of the force of the water on the bottom of tank A

BB= the magnitude of the force of the water on the bottom of tank B Using the notation given above, Which one of the following sets of equations below is correct for this situation ?
EASY

Pressure exerted by a liquid on a container (in which it is enclosed) acts on 

EASY

Distinguish between the pressure exerted by a solid and that by a liquid.

EASY
We do not feel uneasy even under the enormous atmospheric pressure. Give a reason.
MEDIUM
A uniform tapering vessel shown in figure is filled with liquid of density 900 kgm-3. The force that acts on the base of the vessel due to liquid is (take g =10 ms-2)


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EASY
The pressure of a liquid at the same horizontal plane at all points is _____ (equal/ different).
MEDIUM
A cylindrical vessel is filled with equal amounts of weight of mercury on water. The overall height of the two layers is 29.2 cm, specific gravity of mercury is 13.6. Then the pressure of the liquid at the bottom of the vessel is
EASY
Pressure at a point inside a liquid does not depend on
HARD
Derive mathematically that pressure exerted by a liquid at a point inside it is hdg.
EASY
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to
EASY
A beaker is filled with a liquid of density ρ up to a height h. If the beaker is at rest, then the mean pressure on the walls of the beaker is:
MEDIUM
Name the factors on which atmospheric pressure depends. Explain how does atmospheric pressure changes when we go to the mountains.