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प्रश्न
Complete the following sentence :
Pressure of a liquid at a given depth is .................. To the density of the liquid.
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उत्तर
Pressure of a liquid at a given depth is directly proportional To the density of the liquid.
संबंधित प्रश्न
Relative density of a substance is expressed in g cm-3.
How does the pressure exerted by a solid and fluid differ?
Why do sea divers need special protective suit?
The S.I. unit of pressure is :
The S.I. unit of upthrust is :
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
Complete the following sentence.
Mass = .................... × density
Icebergs and ships stay afloat due to ______.
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
Salt water provides less buoyant force than freshwater.
