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Physics

Physics
A device used for converting a.c. into d.c. is called

Rectifier
Dynamo
Transformer
Induction coil

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Physics
An ice block with a piece of lead embeded in it floats in water. If ice melts the water level

Remains same
Falls first and then rises
Rises
Falls

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Physics
A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds.

36
4
72
8

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Physics
At boiling point of liquids, its

Vapour pressure decreases
Temperature remains constant
Atmospheric pressure increases
Temperature increases

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Physics
Instrument for measuring blueness of the sky or ocean is called ________

Ceraunograph
Barometer
Bathymeter
Cyanometer

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Physics
The velocity of sound is more in

Air
Wood
Water
Steel

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MORE MCQ ON Physics

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