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Physics

Physics
On which day 'National Science Day' is celebrated in India ?

43889
43887
43884
43886

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Physics
As we go from Equator to North pole the value of ''g', the acceleration due to gravity

Remains the same
Decreases
None of these
Increases

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Physics
Carbon Arc lamps are commonly used in

Photography
Domestic lighting
Cinema projectors
Vehicles

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Physics
The fundamental scientific principle in the operation of battery is

Dialysis
Acid-base interaction
Dissociation of electrolytes
Oxidation-reduction

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Physics
Forged documents are detected by

Infra-red rays
Ultraviolet rays
Beta rays
Gamma rays

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

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

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