Chapter 13 – Fluid Mechanics
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 13 - Fluid Mechanics
A U-tube of base length ‘l’ filled with the same volume of two liquids of densities ρ and 2ρ is moving with an acceleration ‘a’ on the horizontal plane. If the height difference between the two surfaces (open to atmosphere) becomes zero, then the height h is given by
17
Sep
A U-tube of base length ‘l’ filled with the same volume of two liquids of densities ρ and 2ρ is moving with an acceleration ‘a’ on the horizontal plane. If the height difference between the two surfaces (open to atmosphere) becomes zero, then the height h is given by A cylinder of mass M and [...]
Two identical cylindrical vessels, each of base area A, have their bases at the same horizontal level. They contain a liquid of density p. In one vessel the height of liquid is h1 and in the other h2(>h1). When two vessels are connected, the work done by gravity in equalizing the levels is
17
Sep
Two identical cylindrical vessels, each of base area A, have their bases at the same horizontal level. They contain a liquid of density p. In one vessel the height of liquid is h1 and in the other h2(>h1). When two vessels are connected, the work done by gravity in equalizing the levels is each of [...]
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each of base area A ,
have their bases at the same horizontal level. They contain a liquid of density p. In one vessel the height of liquid is h1 and in the other h2(>h1). When two vessels are connected ,
the work done by gravity in equalizing the levels is ,
Two identical cylindrical vessels ,
A cylinder of mass M and density d1 hanging from a string, is lowered into a vessel of cross-sectional area A, containing a liquid of density d2(d2
17
Sep
A cylinder of mass M and density d1 hanging from a string, is lowered into a vessel of cross-sectional area A, containing a liquid of density d2(d2 A cylinder of mass M and density d1 hanging from a string containing a liquid of density d2(d2 is lowered into a vessel of cross-sectional area A September [...]
A cubical block of wood of specific gravity 0.5 and chunk of concrete of specific gravity 2.5 are fastened together the ratio of mass of wood to the mass of concrete which makes the combination to float with entire volume submerged in water is
17
Sep
A cubical block of wood of specific gravity 0.5 and chunk of concrete of specific gravity 2.5 are fastened together the ratio of mass of wood to the mass of concrete which makes the combination to float with entire volume submerged in water is Upthrust will remain same September 17, 2020 Category: Arihant Physics by [...]
A ball of mass 1 kg falls from a height of 5 m above the free surface of water. The relative density of the solid ball is s=2/3. The ball travels a distance of 2m under water and becomes stationary. The work done by the resistive forces of water is
17
Sep
A ball of mass 1 kg falls from a height of 5 m above the free surface of water. The relative density of the solid ball is s=2/3. The ball travels a distance of 2m under water and becomes stationary. The work done by the resistive forces of water is Upthrust will remain same September [...]
A block of mass 4kg and volume 5×10^-4m^3 is suspended by a spring balance in a lift which is accelerating. the apparent weight shown by the spring balance is 3 kg . Now the block is immersed in water in a container inside the lift . The apparent weight in kg shown by the spring balance is
17
Sep
A block of mass 4kg and volume 5×10^-4m^3 is suspended by a spring balance in a lift which is accelerating. the apparent weight shown by the spring balance is 3 kg . Now the block is immersed in water in a container inside the lift . The apparent weight in kg shown by the spring [...]
Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid and their terminal velocities are v and n v, then value of n is
17
Sep
Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid and their terminal velocities are v and n v, then value of n is then value of n is Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid [...]
Two rain drops of same radius r falling with terminal velocity v merge and from a bigger drop of radius R. The terminal velocity of the bigger drop is
17
Sep
Two rain drops of same radius r falling with terminal velocity v merge and from a bigger drop of radius R. The terminal velocity of the bigger drop is Two rain drops of same radius r falling with terminal velocity v merge and from a bigger drop of radius R. The terminal velocity of the [...]
A block of wood floats in water with 4/5th of its volume submerged, If the same block just floats in a liquid. The density of the liquid is (in kg/m^3)
17
Sep
A block of wood floats in water with 4/5th of its volume submerged, If the same block just floats in a liquid. The density of the liquid is (in kg/m^3) A block of wood floats in water with 4/5th of its volume submerged If the same block just floats in a liquid. The density of [...]
A cubical vessel of height 1m is full of water. What is the amount of work done in pumping water out of the vessel? (Take g=10m/s^2)
17
Sep
A cubical vessel of height 1m is full of water. What is the amount of work done in pumping water out of the vessel? (Take g=10m/s^2) A cubical vessel of height 1m is full of water. What is the amount of work done in pumping water out of the vessel? (Take g=10m/s^2) September 17, 2020 [...]