Volume 1
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 [...]
A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remains outside oil. The relative density of oil is:
17
Sep
A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remains outside oil. The relative density of oil is: A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of [...]
An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is
17
Sep
An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is September 17, 2020 [...]
A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of
17
Sep
A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored the stone sinks in [...]