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Physics

Physics
Increased wind speed is accompanied by a reduced air ________

Aridity
Pressure
Humidity
Density

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Physics
The atmosphere is heated mainly by

Insolation
Conduction
Radiation
Convection

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Physics
Speed of sound in air is unaffected by change in

Humidity
Volume
Pressure
Temperature

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Physics
Flywheel is an important part of a steam engine because it :

Gives strength to the engine
Helps the engine in keeping the speed uniform
Accelerates the speed of the engine
Decreases the moment of inertia

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Physics
A fresh egg when placed in salt water will

Float
Sink and go to the bottom
Burst
Sink but will not go to the bottom

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Physics
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

0.052777777777778
0.16736111111111
0.084027777777778
0.044444444444444

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