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प्रश्न
Write the SI units of Density
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उत्तर
SI unit of density is Kgm-3.
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संबंधित प्रश्न
A body held completely immersed inside a liquid experiences two forces:
(i) F1, the force due to gravity and
(ii) F2, the buoyant force.
Draw a diagram showing the direction of these forces acting on the body and state the condition when the body will float or sink.
A body of volume 100 cm3 weighs 5 kgf in air. It is completely immersed in a liquid of density 1.8 × 103 kg m-3. Find:
- The upthrust due to liquid and
- The weight of the body in liquid.
How does the density ρs of a substance determine whether a solid piece of that substance will float or sink in a given liquid ρL?
A loaded cargo ship sails from sea water to river water. State and Explain your observations.
A cork cut in the form of a cylinder floats in alcohol of density 0.8 gcm-3, such that 3/4 of its length is outside alcohol. If the total length of the cylinder is 35 cm and area of cross-section 25 cm2, calculate:
(1) density of cork
(2) wt. of cork
(3) extra force required to submerge it in alcohol
When a piece of ice floating in water melts, the level of water inside the glass remains same. Explain.
An inflated balloon is placed inside a big glass jar which is connected to an evacuating pump. What will you observe when the evacuating pump starts working? Give a reason for your answer.
Select the correct option:
When a body is floating in a liquid:
Write the SI units of Relative density
