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A metal meter scale gives correct measurement at it is generally used at a temperature of . Find the correction to be made for every meter
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Correct option is C
change in length is Δl=lαΔt l is initial length of rod =1m;α is coefficient of linear expansion=10-6/C 0 Δt is change in temperatue; decreased from 400C to 00C Δl=1×10−6×40 Δl=4×10−5mIf t2Similar Questions
If a scale is made up of a material at temp if temperature is changed to then( coefficient of linear expansion is positive)
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