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प्रश्न
A body will experience minimum upthrust when it is completely immersed in :
पर्याय
Turpentine
Water
Glycerine
Mercury
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उत्तर
A body will experience minimum upthrust when it is completely immersed in : Turpentine
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संबंधित प्रश्न
When does an object float or sink when placed on the surface of a liquid ?
How does the density of a body and that of a liquid determine whether the body will float or sink into that liquid?
A plastic cube is released into the water. Will it sink or come to the surface of the water?
State whether thrust is a scalar or vector?
Differentiate between thrust and pressure.
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
A piece of wood if left under water comes to the surface. Explain the reason.
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
A beaker contains a liquid of density ‘ρ’ up to height ‘h’ such that ‘PA’ is atmospheric pressure and ‘g’ is the acceleration due to gravity. Answer the following questions:
- What is the pressure on the free surface of the liquid?
- What is the pressure on the base of the beaker?
- What is the lateral pressure at the base on the inner walls of the beaker?
Calculate the hydrostatic pressure exerted by water at the bottom of a beaker. Take the depth of water as 40 cm, the density of water 1000 kgm−3 and g = 9.8 ms−2.
