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The value of coefficient of volume expan...

The value of coefficient of volume expansion of glycerin is `5 xx 10^(-4) K^(-1)`. The fractional change in the density of glycerin for a rise of `40^(@)C` in its temperature is

A

0.01

B

0.015

C

0.02

D

0.025

Text Solution

Verified by Experts

The correct Answer is:
C
`rho=rho_(0)(1+YDeltaT)`
`rho-rho_(0)=rho_(0)YDeltaT`
fraction change
`(rho-rho_(0))/(rho_(0))=YDeltaT=5xx10^(-4)xx40`
`=200xx10^(-4)=0.020`
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