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+
+//Chapter 1 : Wave Optics
+
+clear;
+
+//Variable declaration
+lamda=5640*10**-8    //wavelength
+d=0.01               //distance between slits
+n=0                  //first minimum
+
+//Calculations
+theta=(n+(1/2))*(lamda/d)
+theta=theta*180/%pi
+
+//Result
+mprintf("Angular position of first minima is= %0.2f",theta)
+