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Physics

Physics
Brightness of bulb depends on voltage or current?

Current
None
Voltage
Both A & B

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Physics
Nuclear Reactors are based on which of the following phenomenon?

Controlled Nuclear Fission
Magnetic confinement of Plasma
Nuclear Fusion
None of these

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Physics
In AC circuits, AC meters measure

Rms values
Mean values
Mean square values
Peak values

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Physics
Atomic hydrogen has a life period of

One minute
One day
A fraction of a second
One hour

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Physics
When a detergent is added to pure water, its surface tension

Becomes infinite
Decreases
Remains constant
Increases

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Physics
Ultrasound devices operate with minimum frequency from

60 kHz
20kHz
45 kHz
35 kHz

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