Discussion :: Physics
- When heated from 0 to 100oC volume of a given mass of water will :
|
A.
Increase gradually |
|
B.
Decrease gradually |
|
C.
Increase and then will decrease |
|
D.
Decrease and then will increase |
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Answer : Option D
Explanation :
From water at 0°C to water at 4°C, on addition of heat, the water surprisingly, contracts till it reaches maximum density at 4°C. This negative thermal expansion is termed as the anomalous expansion of water. From water at 4°C to water at 100°C, water shows a positive cubical thermal expansion like other substances and gradually expand with the increase in temperature.
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