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Physics

Physics
In the atmosphere ultraviolet rays are absorbed by

Oxygen
Ozone
Helium
Nitrogen

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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.

Shining white
Shining black
Rough white
Rough black

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Physics
A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will

Bend towards right
None of these
Remain straight
Bend towards left

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Physics
Kilowatt-hour is the unit of :

Force
Power
Energy
Momentum

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Physics
A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan

First increases and then decreases
Increases
Remains the same
Decreases

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Physics
A pond of water appears less deep due to

Reflection
Polarisation
Refraction
Diffraction

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MORE MCQ ON Physics

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