EASY
Earn 100

The icebergs are less denser than water and that is the reason why it floats on water.

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Important Questions on Fluids

EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
The weight of the wooden block is W. The apparent weight of the body on floating water is
MEDIUM
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
A solid sphere of volume V and density ρ floats at the interface of two immiscible liquids of densities ρ1 and ρ2 respectively. If ρ1<ρ<ρ2, then the ratio of volume of the parts of the sphere in upper and lower liquid is
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
What do you understand by buoyancy?
MEDIUM
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
Describe an experiment to show the existence of buoyant force.
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
Explain the reason due to which buoyancy arises.
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
In what direction does the buoyant force on an object immersed in a liquid act?
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
The property which determines whether an object floats or sinks in water is termed as _____.
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
When an object is immersed in a fluid, name the two forces acting on it.
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
A mug filled with water appears lighter inside the water compared to when the mug is held in the air. Why?
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
You find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg?
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Science>Physics>Fluids>Buoyancy and Archimedes' Principle
You have a bag of cotton and an iron bar, each indicating a mass of 100 kg when measured on a weighing machine. In reality, one is heavier than other. Can you say which one is heavier and why?
MEDIUM
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
What happens when we try to push an inflated balloon into a bucket of water?
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
Why does a block of plastic released under water come up to the surface of the water?
MEDIUM
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
What do you mean by buoyancy?
MEDIUM
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
Two cylinders of same cross-section and length L but made of two material of densities d1 and d2 are cemented together to form a cylinder of length 2L. The combination floats in a liquid of density d with a length L2 above the surface of the liquid. If d1<d2 then -
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
What do you mean by buoyancy?
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
How does buoyant force help in making objects appear lighter in fluids?
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Science>Physics>Fluids>Buoyancy and Archimedes' Principle
When a floating body is pressed down a little, which of the two will increase - weight or upthrust?
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Science>Physics>Fluids>Buoyancy and Archimedes' Principle
A wooden cylinder floats in water with half of its volume inside water. The density of wood is -
EASY
Science>Physics>Fluids>Buoyancy and Archimedes' Principle
A helium filled balloon moves upwards when released. This is because