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PHYSICS

Physics
Ball pen functions on the principle of :

Boyle's Law
Gravitational force
Surface tension
Viscosity

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

Becomes infinite
Increases
Remains constant
Decreases

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

Capillarity
Diffusion
Viscosity
Surface tension

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Physics
What is unit of Viscosity ?

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

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

Surface tension
Elasticity
Friction
Viscosity

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