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प्रश्न
What do you mean by buoyancy?
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उत्तर
- The upward force exerted by a liquid on an object immersed in it is known as buoyancy.
- When you try to immerse an object in water, then you can feel an upward force exerted on the object, which increases as you push the object deeper into the water.
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संबंधित प्रश्न
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
The S.I. unit of density is ..........
The density of a body which sinks in water is ......... than 1000 Kg m-3.
What physical quantity is measured in bar?
How does the pressure exerted by a solid and fluid differ?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
Pressure at the free surface of a water lake is P1, while at a point at depth h below its free surface is P2. (a) How are P1 and P2 related? (b)Which is more P1 or P2?
Complete the following sentence :
Pressure of a liquid at a given depth is .................. To the density of the liquid.
The S.I. unit of upthrust is :
A homogeneous block floats on water (a) partly immersed (b) completely immersed. In each case state the position of centre of buoyancy B with respect to the centre of gravity G of the block.
