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PHYSICS

Physics
Ball pen functions on the principle of :

Boyle's Law
Viscosity
Surface tension
Gravitational force

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Physics
When a detergent is added to pure water, its surface tension

Remains constant
Decreases
Becomes infinite
Increases

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Physics
Pieces of camphor placed on water move about rapidly. This is because of

Surface tension
Viscosity
Capillarity
Diffusion

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Physics
What is unit of Viscosity ?

Joule per kilogram per Kelvin
Coulomb
Newton second per square meter
Watt per meter per degree celcius

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Physics
The hair of shaving brush clings together when removed from water due to

Viscosity
Surface tension
Elasticity
Friction

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