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प्रश्न
A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.
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उत्तर
A body X sinks in water, but a body Y floats on water. The density of the body X is more than the density of body Y.
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संबंधित प्रश्न
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
(a) body A having density of 500 kg m-3
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
Complete the following sentence :
Pressure at a depth h in a liquid of density p is ......................
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
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.
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
Two identical pieces, one of ice (density = 900kg per meter cube) and other wood (density = 300kg per meter cube) float on water.
- Which of the two will have more volume submerged inside water
- Which of two will experience more upthrust due to water.
Salt water provides less buoyant force than freshwater.
