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Physics

Physics
Light beam which is highly directional is called:

Maser
Grazer
Eraser
Laser

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Physics
Which among the following is the fundamental quantity ?

Volume
Velocity
Time
Force

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Physics
What is the value of 1 kW = ?

1000 W
10 W
100 W
10000 W

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Physics
A barometer is kept inside a bell jar. Air is slowly pumped out of the jar.

The mercury level does not change
The bell jar breaks up
The mercury level starts rising
The mercury level starts falling

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Physics
Kirchhoff's laws are applicable to

C. circuits only
C. circuits only
C. and A.C. circuits both
None of these

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Physics
In mirrors the back surface is coated with a thin layer of :

Mercury
Silver
Silver nitrate
Red oxide

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MORE MCQ ON Physics

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