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Physics

Physics
Which of the following liquids is most viscous?

Oil
Water
Milk
Petrol

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Physics
Nuclear reactors used to produce electricity are based on

Cold fusion
Nuclear fusion
Superconductivity
Nuclear fission

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Physics
Sound becomes hazardous noise pollution at decibels?

Above 120 db
Above 80 db
Above 30 db
Above 50 db

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Physics
An Electric generator is based on which of the following scientific principles?

Laws of Thermodynamics
Newton's Law of Motion
Super Conductivity
Faraday's law of Electromagnetic Induction

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Physics
The frequency used in TV and radar system lies in

SHF
VHF
HF
UHF

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Physics
A decibel is

A measure of sound level
A musical note
A musical instrument
The wavelength of noise

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