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PHYSICS

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
The word ''insolation' means

Matters which insulate
Incoming solar radiation
Insoluble matters
None of these

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

Decreases rapidly
Decreases slightly
Increases to a great extent
Increases slightly

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Physics
Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in

Both conduction and convection
Convection
Conduction
Radiation

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Physics
Energy travels from Sun to Earth through

Modulation
Convection
Radiation
Conduction

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