Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 g/c.c and the angles of contact for mercury and water are 135o and 0o respectively, the ratio of surface tension for water and mercury is
11
Oct
Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 g/c.c and the angles of contact for mercury and water are 135o and 0o respectively, the ratio of surface tension for water [...]
A cube with a mass = 20 g wettable water floats on the surface of water. Each face of the cube is α = 3 cm long. Surface tension of water is 70 dyn/cm. The distance of the lower face of the cube from the surface of water is (g = 980 cm/s^2)
11
Oct
A cube with a mass = 20 g wettable water floats on the surface of water. Each face of the cube is α = 3 cm long. Surface tension of water is 70 dyn/cm. The distance of the lower face of the cube from the surface of water is (g = 980 cm/s^2) Water rises [...]
A vessel, whose bottom has round holes with diameter 0.1 mm, is filled with water. The maximum height up to which water can be filled without leakage is
11
Oct
A vessel, whose bottom has round holes with diameter 0.1 mm, is filled with water. The maximum height up to which water can be filled without leakage is A vessel is filled with water. The maximum height up to which water can be filled without leakage is whose bottom has round holes with diameter 0.1 [...]
Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from the vertical , water will rise in the tube to a length of
11
Oct
Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from the vertical , water will rise in the tube to a length of Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from [...]
Neglecting the density of air, the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will be
11
Oct
Neglecting the density of air, the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will be Neglecting the density of air the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will [...]
Water rises to a height h in a capilliary tube of cross sectional area A. The height to which water will rise in a capilliary tube of cross sectional area 4 A will be
11
Oct
Water rises to a height h in a capilliary tube of cross sectional area A. The height to which water will rise in a capilliary tube of cross sectional area 4 A will be Water rises to a height h in a capilliary tube of cross sectional area A. The height to which water will [...]
A marble of mass x and diameter 2 r is gently released in a tall cylinder containing honey. If the marble displaces mass y ( < x ) of the liquid, then the terminal velocity is proportional to
11
Oct
A marble of mass x and diameter 2 r is gently released in a tall cylinder containing honey. If the marble displaces mass y ( < x ) of the liquid, then the terminal velocity is proportional to A marble of mass x and diameter 2 r is gently released in a tall cylinder containing [...]
A solid sphere falls with a terminal velocity of 20 m/s in air. If it is allowed to fall in vaccum,
11
Oct
A solid sphere falls with a terminal velocity of 20 m/s in air. If it is allowed to fall in vaccum, A solid sphere falls with a terminal velocity of 20 m/s in air. If it is allowed to fall in vaccum October 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The length of a needle floating on water is 2.5 cm. The minimum force in addition to ties weight needed to lift the needle above the surface of water will be (surface tension of water is 0.072 N/m)
11
Oct
The length of a needle floating on water is 2.5 cm. The minimum force in addition to ties weight needed to lift the needle above the surface of water will be (surface tension of water is 0.072 N/m) The length of a needle floating on water is 2.5 cm. The minimum force in addition to [...]
Two parallel wires each of length 10 cm are 0.5 cm apart. A film of water is formed between them. If the surface tension of water is 0.072 N/m, then the work done in on increasing the distance between the wires by 1 mm is
11
Oct
Two parallel wires each of length 10 cm are 0.5 cm apart. A film of water is formed between them. If the surface tension of water is 0.072 N/m, then the work done in on increasing the distance between the wires by 1 mm is then the work done in on increasing the distance between [...]