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Physics

Physics
Conversion of sound energy into electrical energy is done by

Gramophone
Solar cell
Loudspeaker
Microphone

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Physics
The inability of a body to change its state of rest or uniform motion along a straight line is called its

Acceleration
Inertia
Velocity
Momentum

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

increase its electrical conductivity
enable it to withstand higher voltages
increase its electrical resistivity
increase its life

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Physics
The ''four stroke petrol engine' is based on

Diesel-cycle
Boyle's-cycle
Otto-cycle
Carnot-cycle

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Physics
For an object, the state of rest is considered to be the state of ________ speed.

Zero
Inverse
Increasing
Decrease

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Physics
A nuclear reactor is said to have become 'critical' when

It starts emitting dangerous radioactive radiations
It is ready to produce controlled energy
It is shut down to avoid explosion
It stops due to malfunctioning

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MORE MCQ ON Physics

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