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To demonstrate, "black surface absorbs m...

To demonstrate, "black surface absorbs more heat as compared to a white surface".
Apparatus - Materials :
Conical flasks, water, thermometer

Procedure :
`rarr` Take two conical flasks and paint one white and the other black.
`rarr` Fill water in the both flask.
`rarr` Place the conical flasks in direct sunlight for half an hour to one hour.
`rarr` Measure the temperature of the water in both conical flask with a thermometer.
Which property is used in solar cooker and solar water heater ?

Text Solution

Verified by Experts

A black surface absorbs more heat as compared to a white or a reflecting surface under identical conditions.
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