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diff --git a/1694/CH1/EX1.32/EX1_32.sce b/1694/CH1/EX1.32/EX1_32.sce
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+clear;
+clc;
+printf("\nEx1.32\n");
+//page no.-39
+//given
+V=5000;........//potential diff. in volt
+n=1;...........//order
+h=1;
+k=1;
+l=1;
+d=0.204*10^-9;.....//interplanar spacing in m
+m=9.1*10^-31;......//mass of electron
+e=1.6*10^-19;.....//charge
+h=6.625*10^-34;...//planck constant
+
+lambda=h/sqrt(2*m*e*V).........//wavelength in m
+//Now by bragg's law
+
+theta=asind((n*lambda)/(2*d))......//angle in degrees
+
+printf("\nangle is 2.43 degrees\n");