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.

Amit Saxena , 11 Years ago

Grade upto college level