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Physics

Physics
The speed of sound travel fastest through

Liquid
Solid
Gas
None of these

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Physics
In beta decay what is emitted

All of these
Neutron
Proton
Electron

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Physics
Purity of a metal can be determined with the help of

Archimedes principle
Conservation of mass principle
Boyle's law
Pascal's law

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Physics
Which of the following uses a Non Renewable Energy Source?

Wind Mill Power Plant
Tidal Power Plant
Nuclear Power Plant
Hydro Electric Plant

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Physics
The reverse effect of X–ray emission is

Raman effect
Photoelectric
Zeeman effect
Compton effect

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Physics
The electrical domestic tube light gives white fluorescent light because of

Colision between molecules of filled gas under electric current
Falling of ultra violet rays on the white inner coating of the tube
Heavy current
Vacuum inside the tube

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