Mechanical Properties of Fluids questions
539 published questions with worked solutions.
- The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerine becomes constant after...
- A spherical ball of radius 1 × 10⁻⁴ m and density 10⁵ kg/m³ falls freely under gravity through a distance h before entering a...
- A sphere of relative density σ and diameter D has concentric cavity of diameter d. The ratio of D/d, if it just floats on water...
- The reading of pressure metre attached with a closed pipe is 4.5 × 10⁴ N/m². On opening the valve, water starts flowing and the...
- Given below are two statements: Statement-I: Viscosity of gases is greater than that of liquids. Statement-II: Surface tension of...
- A small liquid drop of radius R is divided into 27 identical liquid drops. If the surface tension is T, then the work done in the...
- Given below are two statements: Statement I: If a capillary tube is immersed first in cold water and then in hot water, the...
- A big drop is formed by coalescing 1000 small identical drops of water. If E₁ be the total surface energy of 1000 small drops of...
- A small spherical ball of radius r, falling through a viscous medium of negligible density has terminal velocity 'v'. Another...
- The pressure acting on a submarine is 3 10^5 Pa at a certain depth. If the depth is doubled, the percentage increase in the...
- When two soap bubbles of radii a and b (b > a) coalesce, the radius of curvature of common surface is
- A raindrop with radius R = 0.2 mm falls from a cloud at a height h = 2000 m above the ground. Assume that the drop is spherical...
- In Millikan's oil drop experiment, what is viscous force acting on an uncharged drop of radius 2.0 10^ -5 m and density 1.2...
- Two spherical soap bubbles of radii r_1 and r_2 in vacuum combine under isothermal conditions. The resulting bubble has a radius...
- Two narrow bores of diameter 5.0 mm and 8.0 mm are joined together to form a U-shaped tube open at both ends. If this U-tube...
- A soap bubble of radius 3 cm is formed inside the another soap bubble of radius 6 cm. The radius of an equivalent soap bubble...
- A large number of water drops, each of radius r, combine to have a drop of radius R. If the surface tension is T and mechanical...
- A drop of liquid of density is floating half immersed in a liquid of density and surface tension 7.5 10^ -4 N cm^ -1 . The radius...
- The terminal velocity (v_ t ) of the spherical rain drop depends on the radius (r) of the spherical rain drop as
- The velocity of upper layer of water in a river is 36 kmh^ -1 . Shearing stress between horizontal layers of water is 10^ -3 Nm^...
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