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Physics

Physics
What is the unit of the physical quantity "Inductance"?

Henry
Farad
Tesla
Weber

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Physics
Which of the following principle is used to produce ''low-temperatures' ?

Super conductivity
Joule-Kelvin effect
Adiabatic demagnetisation
Thermo-electric effect

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Physics
If the length of a simple pendulum is halved then its period of oscillation is

Halved
Decreased by a factor 2
Increased by a factor 2
Doubled

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Physics
A solid needle placed horizontally on the surface of the water floats due to

Viscosity of water
Surface tension of water
Capillary action
Water pressure

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Physics
Energy that is produced commercially from coal is called

Kinetic energy
Light energy
Potential energy
Thermal energy

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Physics
The Laser is a beam of radiations which are

Non-coherent and non-monochromatic
Coherent and non-monochromatic
Non-coherent and monochromatic
Coherent and monochromatic

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