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Q. a metre scale made of steel is calibrated at 200C to give correct readin. Find d distance b/n 50 cm mark and 51 cm mark if d scale is used at 100C. Coefficient of linear expansion of steel is 1.1 *10-5/0C.
ans is1.00011 cm.
if u get dis ans plz explain me d logic.
i got .999. as it should contract wen temp decreases.
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