Questions

The value of coefficient of volume expansion of glycerin is $5 \times 10^{- 4} K^{- 1}$ . The fractional change in the density of glycerin for a rise of $40^{0} C$ in its temperature is

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0.0010

0.015

0.020

0.025

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detailed solution

Correct option is C

df = d1(1+γ∆T)Fractional change = d1-dfd1 = 1- dfdi = 1-(1+γ∆T)-1 = 1-(1-γ∆T) (1+x)n = 1+nx = γ∆T = 5× 10-4×40 = 0.020

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A vessel having coefficient of cubical expansion $γ_{g}$ contains liquid Of coefficient of real expansion r_R up to certain level. When Vessel
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