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Mechanical Properties of Fluids Test - 53

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Mechanical Properties of Fluids Test - 53
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  • Question 1
    4 / -1
    The pressure of air in a soap bubble of 0.7 cm diameter is 8 mm of water above the pressure outside. The surface tension of the soap solution is
    Solution

  • Question 2
    4 / -1
    A capillary tube of radius r is dipped in a liquid of density ρ and surface tension S. If the angle of contact is θ, the pressure difference between the two surfaces in the beaker and the capillary is
    Solution

  • Question 3
    4 / -1
    Soap bubbles can be formed floating in air by blowing soap solution in air, with the help of a glass tube, but not water bubbles. It is because
  • Question 4
    4 / -1
    The volume of an air bubble becomes three times as it rises from the bottom of a lake to its surface. Assuming atmospheric pressure to be 75 cm of Hg and the density of water to be 1/10 of the density of mercury, the depth of the lake is
    Solution

  • Question 5
    4 / -1
    There are two liquid drops of different radii. The excess pressure inside over the outside is
    Solution

  • Question 6
    4 / -1
    The pressure at the bottom of a tank containing a liquid does not depend on
    Solution

  • Question 7
    4 / -1
    In capillary pressure below the curved surface of water will be
  • Question 8
    4 / -1
    The pressure inside a small air bubble of radius 0.1 mm situated just below the surface of water will be equal to [Take surface tension of water 70 × 10–3 N/m–1 and atmospheric pressure = 1.013 × 105 Nm–2]
    Solution

  • Question 9
    4 / -1
    If the excess pressure inside a soap bubble is balanced by oil column of height 2 mm, then the surface tension of soap solution will be (r = 1 cm and density d = 0.8 gm/cc)
    Solution

  • Question 10
    4 / -1
    In Jager\'s method , at the time of bursting of the bubble
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