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Physics

Physics
The electric current in a metal wire is due to the flow of -

Electrons
Holes
Protons
Ions

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Physics
The light rays used for eliminating bacteria

X-rays
Ultra-violet radiation
Infrared rays
Microwave radiation

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Physics
Water from soil enters into the root hairs owing to :

Osmotic pressure
Atmospheric pressure
Capillary pressure
Root pressure

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Physics
At low temperature, Lead behaves as a :

Conductor
Semi conductor
Superconductor
Insulator

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Physics
Which waves cannot be transmitted through vacuum?

Sound
Electromagnetic
Light
Heat

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Physics
The GPS device in an automobile uses which communication channel?

Satellite
Microwave
Infrared
Radio frequency

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MORE MCQ ON Physics

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