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  4. The density of water at 20° C is 998 kg m -3 and that at 40° C is 992 kg m -3. The co-efficient of cubical expansion of water is :

Q. The density of water at is and that at is . The co-efficient of cubical expansion of water is :

Thermal Properties of Matter Report Error

Solution:

We use
...(1)
...(2)
Dividing (1) by (2), we get



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