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प्रश्न
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
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उत्तर
Archimedes gave the magnitude of buoyant force acting on a solid object immersed in a liquid.
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संबंधित प्रश्न
Name the force which makes heavy objects appear light when immersed in a liquid.
A body experiences the same buoyant force while floating in water or alcohol.
A body experiences the same buoyant force when it floats or sinks in water.
When does an object float or sink when placed on the surface of a liquid ?
How does the liquid pressure on a diver change if :
The diver moves horizontally?
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
- Calculate the height of a water column which will exert on its base the same pressure as the 70 cm column of mercury. Density of mercury is 13.6 g cm-3.
- Will the height of the water column in part (a) change if the cross-section of the water column is made wider?
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
A balloon filled with helium gas floats in a big closed jar which is connected to an evacuating pump. What will be your observation, if air from the jar is pumped out? Explain your answer.
Is thrust a scalar or vector quantity?
