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Grade 12th passThermal Physics

the daily temperature variation of bridge is 20c and length of stell is 2km what is the change in length

noor

10 Years agoGrade 12th pass

1 Answer

Riddhish Bhalodia

10 Years ago

for steel
$\alpha = 0.000012$
and the equation is
$\Delta L = L_0 \alpha \Delta T$

now we have everything so just find the $\Delta L$

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