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Physics

Physics
Instrument used to study the behaviour of a vibrating string is :

Sonometer
Hydrometer
Barometer
Hygrometer

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Physics
Amount of water vapour in the atmosphere is measured in terms of

Droplets
Humidity
All of these
Smog

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Physics
The width of depletion layer of a P-N junction

Is independent of applied voltage
Increases with heavy doping
Is increased under reverse bias
Decreases with light doping

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Physics
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is

Zero
Less than the weight of the man
Greater than the weight of the man
Same as the weight of the man

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Physics
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

Momentum
Kinetic Energy
Acceleration
Velocity

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Physics
Which sources produce alternating current (AC)?

Solar power plants
All of these
Batteries
Hydro-electric generators

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MORE MCQ ON Physics

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