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Physics

Physics
The unit of electrical power is

Bolt
Kilowatt hour
Watt
Ampere

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Physics
In hydro power station, the motion produced in turbines is due to

Flow of water
Burning of diesel
Burning of coal
Production of steam

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Physics
A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

Both reach at the same time
Sphere
Depends on their masses
Disk

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Physics
An athlete runs before long jump to get advantage on

Moment of a force
Frictional force
Inertia of motion
Principle of moments

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Physics
Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

Rough black
Rough white
Shining black
Shining white

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Physics
Hydraulic brakes work on the principle of

Bernoulli's theorem
Newton's law
Thomson's law
Pascal's law

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MORE MCQ ON Physics

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