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Question
A specific gravity bottle contains 100gm of water at 40C. Calculate the mass of water in the bottle at 400C (γR=2.7×10−4/0C,γg=4.0×0−4/0C)
A specific gravity bottle contains 100gm of water at 40C. Calculate the mass of water in the bottle at 400C (γR=2.7×10−4/0C,γg=4.0×0−4/0C)
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Solution
The correct option is D 100gm
γa=γr−γg=−1.3×10−4/∘CHence, the fraction of volume the water fills the bottle decreases with increasing temperature since the coefficient of expansion of bottle is more than that of water. Hence the water would not flow out, and the mass of water in the bottle would remain the same =100 gm.
γa=γr−γg=−1.3×10−4/∘C
Hence, the fraction of volume the water fills the bottle decreases with increasing temperature since the coefficient of expansion of bottle is more than that of water. Hence the water would not flow out, and the mass of water in the bottle would remain the same =100 gm.
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