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प्रश्न
The S.I. unit of pressure is :
विकल्प
N cm-2
Pa
N
N m2
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उत्तर
The S.I. unit of pressure is : Pa
संबंधित प्रश्न
Relative density of a substance is expressed in g cm-3.
A body experiences the same buoyant force when it floats or sinks in water.
Describe an experiment to determine the density of the material of a coin.
Explain the meaning of the statement
‘Relative density of aluminium is 2.7’.
What is the law of floatation?
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Answer the following:
Will a piece of iron float or sink in mercury?
Why does a piece of ice float on water?
Deduce an expression for the pressure at depth inside a liquid.
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Is pressure a vector quantity?
