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Physics

Physics
Speed of sound is the greatest in :

Glycerine
Air
Glass
Water

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Physics
Materials that allow electricity to flow are called

Stimulators
Conductors
Electron flows
Insulators

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Physics
Night photography and photopraphy in mist and fog are possible using

Infra-red radiation
Gamma radiation
Microwave radiation
Ultra-violet radiation

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Physics
A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will

Bend towards left
None of these
Remain straight
Bend towards right

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Physics
In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation

Longitudinal
Transverse
Rolling
Field

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Physics
Forged documents are detected by

Beta rays
Infra-red rays
Gamma rays
Ultraviolet rays

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MORE MCQ ON Physics

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