3769/CH21/EX21.9/Ex21_9.sce


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clear
//Given
d=0.125*10**-3                     //m
l=4500*10**-10                      //m
D=1                                 //m

//Calculation
x2=(2*D*l)/d
d1=2*x2

//Result
printf("\n Separation between the fringes is %0.3f  mm", d1*10**3)