Physics
Fluid-Mechanics
Easy

Question

A light cone is in equilibrium under the action of hydrostatic forces of two liquids of densities straight d subscript 1 text and  end text straight d subscript 2. text If end text H over h equals 2 comma space d subscript 1 colon d subscript 2 equals

  1. 3 : 2
  2. 5 : 7
  3. 5 : 16
  4. 5 : 8

The correct answer is: 5 : 16


    table attributes columnalign left columnspacing 1em rowspacing 4 pt end attributes row cell d subscript 1 pi R squared H g minus d subscript 1 pi R squared left parenthesis H over 3 right parenthesis g equals 2 over 3 pi R squared H d subscript 1 g end cell row cell 2 over 3 pi R squared H d subscript 1 g equals pi R squared H 5 over 24 d subscript 2 g end cell end table
    not stretchy rightwards double arrow d subscript 1 over d subscript 2 equals 5 over 16

    Related Questions to study

    Fluid-Mechanics
    Physics

    Two cylinders of same area of cross section and together to form a cylinder of length L but made of two materials of densities d1 and d2 are connected together to from a cylinder of length 2L. The combination floats in a liquid of density d with a length L/2  above the surface of the liquid, If d subscript 1 greater than d subscript 2 and difference in densities of two cylinders is equal to density of the liquid

    Two cylinders of same area of cross section and together to form a cylinder of length L but made of two materials of densities d1 and d2 are connected together to from a cylinder of length 2L. The combination floats in a liquid of density d with a length L/2  above the surface of the liquid, If d subscript 1 greater than d subscript 2 and difference in densities of two cylinders is equal to density of the liquid

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    A cone of height h, radius r and density d1  is floating in a liquid of density d12. If depth of immersion of cone is y and d subscript 1 over d subscript 2 equals 1 over 8 comma text the ratio end text y over h equals

    A cone of height h, radius r and density d1  is floating in a liquid of density d12. If depth of immersion of cone is y and d subscript 1 over d subscript 2 equals 1 over 8 comma text the ratio end text y over h equals

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    Two immiscible liquids of densities d and 2d with heights h and 2h respectively push a vertical plate as shown. If b is width of the plate, total side thrust given by liquids on the vertical plate will be

    Two immiscible liquids of densities d and 2d with heights h and 2h respectively push a vertical plate as shown. If b is width of the plate, total side thrust given by liquids on the vertical plate will be

    PhysicsFluid-Mechanics
    parallel
    Fluid-Mechanics
    Physics

    A spherical tank of radius R is half filled with oil of density d. If the tank is given a horizontal. Acceleration of a, maximum pressure on the tank is (due to liquid alone or pressure above liquid =0)

    A spherical tank of radius R is half filled with oil of density d. If the tank is given a horizontal. Acceleration of a, maximum pressure on the tank is (due to liquid alone or pressure above liquid =0)

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops. The change in energy is nearly (S.T. of liquid =75 dynes/cm)

    A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops. The change in energy is nearly (S.T. of liquid =75 dynes/cm)

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    Two droplets merge with each other and forms a large droplet. In this process

    Two droplets merge with each other and forms a large droplet. In this process

    PhysicsFluid-Mechanics
    parallel
    Fluid-Mechanics
    Physics

    The potential energy of a molecule on the surface of liquid compared to one inside the liquid is

    The potential energy of a molecule on the surface of liquid compared to one inside the liquid is

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    Energy needed in breaking a drop of radius R into n drops of radii r is given by                                                             

    Energy needed in breaking a drop of radius R into n drops of radii r is given by                                                             

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm)

    The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm)

    PhysicsFluid-Mechanics
    parallel
    Fluid-Mechanics
    Physics

    A wooden stick 2m long is floating on the surface of water. The surface tension of water 0.07 N/m. By putting soap solution on one side of the sticks the surface tension is reduced to 0.06 N/m. The net force on the stick will be

    A wooden stick 2m long is floating on the surface of water. The surface tension of water 0.07 N/m. By putting soap solution on one side of the sticks the surface tension is reduced to 0.06 N/m. The net force on the stick will be

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    The force required to separate two glass plates of area 10 to the power of negative 2 end exponent m squared with a film of water 0.05 mm thick between them, is (Surface tension of water is open 70 cross times 10 to the power of negative 3 end exponent N divided by m close parentheses

    The force required to separate two glass plates of area 10 to the power of negative 2 end exponent m squared with a film of water 0.05 mm thick between them, is (Surface tension of water is open 70 cross times 10 to the power of negative 3 end exponent N divided by m close parentheses

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    It is easy to wash clothes in hot water because its

    It is easy to wash clothes in hot water because its

    PhysicsFluid-Mechanics
    parallel
    Fluid-Mechanics
    Physics

    It is easy to wash clothes in hot water because its

    It is easy to wash clothes in hot water because its

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2 ×10-2N to keep the wire in equilibrium. The surface tension, in Nm-1, of water is

    A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2 ×10-2N to keep the wire in equilibrium. The surface tension, in Nm-1, of water is

    PhysicsFluid-Mechanics
    Fluid-Mechanics
    Physics

    With regard to dependence of quantities given in column I and II, match the following :

    Column - I

    Column - II

    i.
    Young's modules of a substance
    a.
    Depends on temperature
    ii.
    Bulk modulus of substance
    b.
    Depends on length
    iii.
    Modulus of rigidity of a substance
    c.
    Depends on area of across section
    iv.
    Volume of a substance
    d.
    Depends on the nature of material

    With regard to dependence of quantities given in column I and II, match the following :

    Column - I

    Column - II

    i.
    Young's modules of a substance
    a.
    Depends on temperature
    ii.
    Bulk modulus of substance
    b.
    Depends on length
    iii.
    Modulus of rigidity of a substance
    c.
    Depends on area of across section
    iv.
    Volume of a substance
    d.
    Depends on the nature of material

    PhysicsFluid-Mechanics
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.