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Physics

Physics
Which compressor is usually used in AC?

Rotary
Axial
Reciprocating
Centrifugal

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Physics
Nuclear reactors used to produce electricity are based on

Cold fusion
Nuclear fission
Superconductivity
Nuclear fusion

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Physics
When a bar magnet is cut into two equal halves, the pole strength of each piece –

Remains the same
Becomes half
Becomes zero
Becomes double

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Physics
The swing of a spinning cricket ball in air can be explained on the basis of

Bernoulli's theorem.
Sudden change in wind direction.
Buoyancy of air.
Turbulence caused by wind.

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Physics
The atmospheric layer reflecting radio waves is called

Mesosphere
Ionosphere
Ozonosphere
Stratosphere

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Physics
The layer of atmosphere used for radio-wave transmission is

Troposphere
Chromosphere
Ionosphere
Stratosphere

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MORE MCQ ON Physics

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