//Chapter-4,Example4_15_20,pg 4-36

t2=30*10^-6                             //pulse arrival time of defective steel bar

t1=80*10^-6                             //pulse arrival time of non defective steel bar

d=40*10^-2                              //bar thickness

x=(t2/t1)*d

printf("distance at which defect has occurred =")

disp(x)

printf("meter")