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IF the volume of a metallic block i...

IF the volume of a metallic block increases buy 0.12 % when it is heated through `20 ^(@)C ` , what is the coefficient of cubical expansion .
` (Delta V )/( V) = 0.12 % = ( 0.12 )/( 100 )`

Text Solution

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change in temperature ` Delta T= 20 ^(@)C `
coefficient of cubical expansion
` alpha _(V ) = ( Delta V ) /( V Delta T) `
` =( 0.12 )/(100xx20 )`
` alpha _(L ) = 6xx10 ^(-6) //^(@) C `
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