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Q. a metre scale made of steel is calibrated at 20 0 C to give correct readin. Find d distance b/n 50 cm mark and 51 cm mark if d scale is used at 10 0 C. Coefficient of linear expansion of steel is 1.1 *10 -5 / 0 C. ans is1.00011 cm. if u get dis ans plz explain me d logic. i got .999. as it should contract wen temp decreases.


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.


Grade:upto college level

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