Physics
Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

Decreases slightly
Decreases rapidly
Increases slightly
Increases to a great extent

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Physics
The law of conservation of energy states that

Energy can neither be created nor destroyed
Energy can either be created nor destroyed
Energy can either be created or destroyed
Energy can neither be created or destroyed

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Physics
Which of the following occurred first ?

Guglielmo Marconi sent out the first wireless signals
Albert Einstein propounded the General Theory of Relativity
Max Planck unveiled the Quantum Theory
Wright Brothers successfully flew an aircraft

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