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For several days the temperature at the bottom of a pond is 44 degree Celsius and the air temperature just above the top surface of the pond is 1-1 Degree Celsius. Depth of the pond is L . The thermal conductivity of ice is 33 times that of water. Thickness of frozen layer of the ice formed must be?

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Hadiya , 7 Years ago
Grade 10
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Eshan

Last Activity: 6 Years ago

The rate of heat flowing from the bottom of the lake to the ice-water interface must be equal to that from the interface to the atmophere.

implies dfracKA4-0L-x=dfrac3KA0--1x
implies 4x=3L-x
implies x=dfrac3L7

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