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+//Chapter 2 : Diffraction
+
+clear;
+
+//Variable declaration
+m=1                      //first minimum
+a=90*10**-16             //slit width
+y=6*10**-3               //distance from central maximum
+D=0.98                   //Screen distance
+
+//Calculations
+lamda=(y*a)/D/10**-17*10**3
+
+//Result
+mprintf("Wavelength of incident light lamda= %d Armstrong",lamda)
+