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Physics

Physics
When a barometer is rising air pressure is

Increasing
Zero
Constant
Decreasing

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Physics
Sound travels at the fastest speed in

water
steel
air
vacuum

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Physics
Second and third class levers are differentiated by

The location of the load
The presence of multiple loads
The location of the fulcrum
The type of fulcrum present

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Physics
A good conductor while carrying current is

Electrically neutral
Negatively charged
Positively charged
Alternately charged positive and negative

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Physics
In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

Psinq sina
Pcosq sina
Pcosq cosa
Psinq cosa

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Physics
Speed of light is maximum in ________

Gases
Liquids
Solids
Vacuum

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MORE MCQ ON Physics

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