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+clc
+//to calculate ratio of maximum intensity to minimum intensity
+//formula is I1/I2=a1^2/a2^2=100/1
+//a1/a2=10/1
+a1=10  //a1=10*a2
+a2=1
+disp("the ratio of maximum intensity to minmum intensity in the interference pattern Imax/Imin=((a1+a2)^2)/((a1-a2)^2)="+string(((a1+a2)^2)/((a1-a2)^2))+"unitless") 
+//answer is given in terms of ratio in the book