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A capillary tube is dipped in a liquid. Let pressure at point A, B and C be PA, PB, PC respectively then
17
Sep
A capillary tube is dipped in a liquid. Let pressure at point A, B and C be PA, PB, PC respectively then A capillary tube is dipped in a liquid. Let pressure at point A B and C be PA PB PC respectively then September 17, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]
A body of density ρ is dropped from rest from a height h into a lake of density σ(σ>ρ) The maximum depth the body sinks inside the liquid is (neglect viscous effect of liquid):
17
Sep
A body of density ρ is dropped from rest from a height h into a lake of density σ(σ>ρ) The maximum depth the body sinks inside the liquid is (neglect viscous effect of liquid): A body of density ρ is dropped from rest from a height h into a lake of density σ(σ>ρ) The maximum [...]
An open U-tube contains mercury. When 11.2 cm of water is poured into one of the arms of the tube, how high does the mercury rise in the other arm from its initial level ?
17
Sep
An open U-tube contains mercury. When 11.2 cm of water is poured into one of the arms of the tube, how high does the mercury rise in the other arm from its initial level ? An open U-tube contains mercury. When 11.2 cm of water is poured into one of the arms of the tube [...]
A unit vector along the incident ray of light is i. The unit vector for the corresponding refracted ray of light is r . n, a unit vector normal to the boundary of the medium and directed towards the incident medium.
17
Sep
A unit vector along the incident ray of light is i. The unit vector for the corresponding refracted ray of light is r . n, a unit vector normal to the boundary of the medium and directed towards the incident medium. A unit vector along the incident ray of light is i. The unit vector [...]
The resultant of three vectors 1, 2, and 3 units whose directions are those of the sides of an equilateral triangle is at an angle of a. 30 with the first vector
17
Sep
The resultant of three vectors 1, 2, and 3 units whose directions are those of the sides of an equilateral triangle is at an angle of a. 30 with the first vector 2 and 3 units whose directions are those of the sides of an equilateral triangle is at an angle of a. 30 with [...]
A large tank is filled with water (density = 10^3 kg/m^3). A small hole is made at a depth 10m below water surface. the range of water issuing out of the hole is R on ground. What extra pressure must be applied on the water surface so that the range becomes 2R ( take 1atm=10^5Pa and g=10m/s^2)
17
Sep
A large tank is filled with water (density = 10^3 kg/m^3). A small hole is made at a depth 10m below water surface. the range of water issuing out of the hole is R on ground. What extra pressure must be applied on the water surface so that the range becomes 2R ( take 1atm=10^5Pa [...]
The angle between two vectors A and B is theta. The resultant of these vectors R makes an angle of theta / 2 with A . Which of the following is true?
17
Sep
The angle between two vectors A and B is theta. The resultant of these vectors R makes an angle of theta / 2 with A . Which of the following is true? The angle between two vectors A and B is theta. The resultant of these vectors R makes an angle of theta / 2 [...]
A large block of ice 10 cm thick with a vertical hole drilled through it is floating in a lake. The minimum length of the rope required to scoop out a bucket full of water through the hole is Take density of ice =0.9 g/cm^3
17
Sep
A large block of ice 10 cm thick with a vertical hole drilled through it is floating in a lake. The minimum length of the rope required to scoop out a bucket full of water through the hole is Take density of ice =0.9 g/cm^3 A cylinder of mass M and density d1 hanging from [...]
The sum of the magnitudes of two forces acting at a point is 16 N. The resultant of these forces is perpendicular to the smaller force and has a magnitude of 8 N. If the smaller force is of
17
Sep
The sum of the magnitudes of two forces acting at a point is 16 N. The resultant of these forces is perpendicular to the smaller force and has a magnitude of 8 N. If the smaller force is of The sum of the magnitudes of two forces acting at a point is 16 N. The [...]
A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of radius of the cavity to the outer radius of the sphere must be
17
Sep
A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of radius of the cavity to the outer radius of the sphere must be A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. [...]