Physics-
General
Easy
Question
A massless conical flask filled with a liquid is kept on a table in a vacuum. The force exerted by the liquid on the base of the flask is 
. The force exerted by the flask on the table is 
- The force exerted by the liquid on the walls of the flask is
The correct answer is:
Related Questions to study
physics-
The vessel shown in the figure has two sections of areas of cross–section 
and 
. A liquid of density 
fills both the sections, up to a height h in each. Neglect atmospheric pressure:-
The vessel shown in the figure has two sections of areas of cross–section and . A liquid of density fills both the sections, up to a height h in each. Neglect atmospheric pressure:-
physics-General
physics-
The wires A and B shown in the figure are made of the same material, and have radii 
and 
respectively. The block between them has a mass m. When the force F is mg/3, one of the wires breaks–
The wires A and B shown in the figure are made of the same material, and have radii and respectively. The block between them has a mass m. When the force F is mg/3, one of the wires breaks–
physics-General
physics-
A spherical ball is dropped in a long column of viscous liquid. Which of the following graphs represent the variation of :
i) Gravitational force with time
ii) Viscous force with time
iii) Net force acting on the ball with time
A spherical ball is dropped in a long column of viscous liquid. Which of the following graphs represent the variation of :
i) Gravitational force with time
ii) Viscous force with time
iii) Net force acting on the ball with time
physics-General
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A cubical block of side 'a' and density '' slides over a fixed inclined plane with constant velocity 'v'. There is a thin film of viscous fluid of thickness 't' between the plane and the block. Then the coefficient of viscosity of the thin film will be:
A cubical block of side 'a' and density '' slides over a fixed inclined plane with constant velocity 'v'. There is a thin film of viscous fluid of thickness 't' between the plane and the block. Then the coefficient of viscosity of the thin film will be:
physics-General
physics-
A space 2.5 cm wide between two large plane surfaces is filled with oil. Force required to drag a very thin plate of area 0.5 
just midway the surfaces at a speed of 0.5 m/s is 1N. The coefficient of viscosity in kg–sec/ is:
A space 2.5 cm wide between two large plane surfaces is filled with oil. Force required to drag a very thin plate of area 0.5 just midway the surfaces at a speed of 0.5 m/s is 1N. The coefficient of viscosity in kg–sec/ is:
physics-General
physics-
An open pan P filled with water (density 
) is placed on a vertical rod, maintaining equilibrium. A block of density is placed on one side of the pan as shown. Water depth is more than height of the block.
An open pan P filled with water (density ) is placed on a vertical rod, maintaining equilibrium. A block of density is placed on one side of the pan as shown. Water depth is more than height of the block.
physics-General
physics-
A small ball is left in a viscous liquid form very much height. Correct graph of its velocity with time is :–
A small ball is left in a viscous liquid form very much height. Correct graph of its velocity with time is :–
physics-General
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A homogeneous solid cylinder of length L (L < H/2), cross–sectional area A/5 is immersed such that it floats with its axis vertical at the liquid–liquid interface with length L/4 in the denser liquid as shown in the figure. The lower density liquid is open to atmosphere having pressure 
. Then, density D of solid is given by :–
A homogeneous solid cylinder of length L (L < H/2), cross–sectional area A/5 is immersed such that it floats with its axis vertical at the liquid–liquid interface with length L/4 in the denser liquid as shown in the figure. The lower density liquid is open to atmosphere having pressure . Then, density D of solid is given by :–
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physics-
A mercury manometer is connected as shown in the figure. The difference in height 
is : (symbols have usual meaning).
A mercury manometer is connected as shown in the figure. The difference in height is : (symbols have usual meaning).
physics-General
physics-
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes, the tank will experience a net horizontal force proportional to–
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes, the tank will experience a net horizontal force proportional to–
physics-General
physics-
The U–tube shown has a uniform cross–section. A liquid is filled in the two arms up to heights 
and 
, and then the liquid is allowed to move. Neglect viscosity and surface tension. When the levels equalize in the two arms, the liquid will–
The U–tube shown has a uniform cross–section. A liquid is filled in the two arms up to heights and , and then the liquid is allowed to move. Neglect viscosity and surface tension. When the levels equalize in the two arms, the liquid will–
physics-General
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A sealed tank containing a liquid of density moves with a horizontal acceleration a, as shown in the figure. The difference in pressure between the points A and B is–
A sealed tank containing a liquid of density moves with a horizontal acceleration a, as shown in the figure. The difference in pressure between the points A and B is–
physics-General
physics-
Water coming out of the mouth of a tap and falling vertically in streamline flow forms a tapering column, i.e., the area of cross–section of the liquid column decreases as it moves down. Which of the following is the most accurate explanation for this :-
Water coming out of the mouth of a tap and falling vertically in streamline flow forms a tapering column, i.e., the area of cross–section of the liquid column decreases as it moves down. Which of the following is the most accurate explanation for this :-
physics-General
physics-
Two very wide parallel glass plates are held vertically at a small separation d, and dipped in water. Some water climbs up in the gap between the plates. Let S be the surface tension of water, = atmospheric pressure, P = pressure of water just below the water surface in the region between the plates–
Two very wide parallel glass plates are held vertically at a small separation d, and dipped in water. Some water climbs up in the gap between the plates. Let S be the surface tension of water, = atmospheric pressure, P = pressure of water just below the water surface in the region between the plates–
physics-General
chemistry-
A square planar complex represented as:
A square planar complex represented as:
chemistry-General
