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Physics

Physics
An instrument that records earthquakes is

Ediograph
Seismograph
Thermograph
Ergograph

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Physics
When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:

Three times
Four times
Double
Remain same

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Physics
A nuclear reactor is said to have become 'critical' when

It starts emitting dangerous radioactive radiations
It stops due to malfunctioning
It is ready to produce controlled energy
It is shut down to avoid explosion

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Physics
Air coolers are more suitable for

Hot and dry climate
Hot and humid climate
Cool and humid climate
Cool and dry climate

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Physics
Outside of cooking utensils are generally left black from below because

Black surface is a good conductor of heat.
Black surface is a good absorber of heat.
It is difficult to clean daily.
Black surface is a poor conductor of heat.

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Physics
The wave like properties of electrons are useful in

Weather reports
All of these
Lasers
Magnifying objects

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MORE MCQ ON Physics

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