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Physics

Physics
Speed of sound is the greatest in :

Water
Glycerine
Air
Glass

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Physics
An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :

110 J
2750 J
275 J
110 J

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Physics
Which of the following cannot be used for making lenses?

Glass
Water
Soil
Plastic

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Physics
During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to

Touch the nearest electric pole
Remain in the car
Abandon the car and take shelter under a nearby tree
Get out of the car and lie flat in the ground

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

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

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Physics
The washing machine works on the principle of

Centrifugation
Reverse osmosis
Diffusion
Dialysis

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MORE MCQ ON Physics

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