Physics
The property of ice which prevents the flow of heat from water of a pond (or lake) to the atmosphere is :
- conduction
- insulation
- low specific heat
- none of the above
Heat Energy
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Answer
insulation
Reason — Ice is a poor conductor of heat. Hence, it acts as an insulator and prevents the flow of heat from water of a pond (or lake) to the atmosphere.
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Related Questions
Water is cooled from 4°C to 0°C. It :
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- expands
- first contracts, then expands
- first expands, then contracts.
The change in volume of water when it is cooled from ……………°C to ……………°C is known as anomalous expansion of water :
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- 1,0
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Identify the correct graph showing the variation in the volume of water with temperature :
1.
2.
3.
4.
Some quantity of water at 0°C is heated to 20°С. Identify the correct graph showing the variation of volume of water with temperature.
- 1.
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- 2.
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- 3.
-exc-6a-icse-9-phy-concise-431x356.png)
- 4.
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