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प्रश्न
Complete the following result:
The density of water is ______ Kgm-3.
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उत्तर
The density of water is 1000 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.
What are the units density in (i) C.G.S. and (ii) S.I. system .
A piece of iron weighs 44.5 gf in air. If the density of iron is 8.9 × 103, find the weight of iron piece when immersed in water.
A jeweller claims that he makes ornaments of pure gold that has a relative density of 19.3. He sells a bangle weighing 25.25 gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs 23.075 gf in water. With the help of suitable calculations, find out whether the ornament is made of pure gold or not.
[Hint : calculate R.D. of material of bangle which comes out to be 11.6].
A loaded cargo ship sails from sea water to river water. State and Explain your observations.
Explain the following :
A balloon filled with hydrogen rises to a certain height and then stops rising further.
A sinker is found to weigh 56.7 gf in water. When the sinker is tied to a cork of weight 6 gf, the combination is found to weigh 40.5 gf in water. Calculate R.D. of cork.
When a piece of ice floating in water melts, the level of water inside the glass remains same. Explain.
Select the correct option:
The ratio between the mass of a substance and the mass of an equal volume of water at 4°C is called:
A wooden cube of side 10 cm has a mass of 700 g. It will float in the water with:
(a) Half of its volume inside the water
(b) 3 cm height above the water surface
(c) 7 cm height above the water surface
(d) Just inside the water surface.
