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The volume of a solid decreases by 0.6% when it is cooled through `50^(@)C`. Its coefficient of linear expansion is
A. `4xx10^(-6) K`
B. `5xx10^(-5) K`
C. `6xx10^(4)K`
D. `4xx10^(-5) K`

1 Answer

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Best answer
Correct Answer - D
`(DeltaV)/V=0.6/100=gammaxxDelta theta`
`gamma=0.6/100xx1/50xx2/2`
`3 alpha=0.6/100xx2/100=1.2xx10^(-4)`
`alpha=4xx10^(-5) .^(@)//C`

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