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प्रश्न
Complete the following result:
Density in kg m-3 = ______ x density in g cm-3
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उत्तर
Density in kg m-3 = 1000 x density in g cm-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 bunch of feathers and a stone of the same mass are released simultaneously in air. Which will fall faster and why? How will your observation be different if they are released simultaneously in vacuum?
Water is heated from 0°C to 10°C . How does the density of water change with temperature?
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?
Explain why an iron nail floats on mercury, but it sinks in water.
Hint : Density of iron is less than that of mercury, but more than that of water.
Explain the following :
A balloon filled with hydrogen rises to a certain height and then stops rising further.
A rubber ball floats on water with its 1/3rd volume outside water. What is the density of rubber?
A wooden block floats in water with two-third of its volume submerged.
(a) Calculate the density of wood.
(b) When the same block is placed in oil, three-quarters of its volume is immersed in oil. Calculate the density of oil.
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.
Complete the following result:
Mass = _______ × density
