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diff --git a/1694/CH2/EX2.41/EX2_41.sce b/1694/CH2/EX2.41/EX2_41.sce
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+clear;
+clc;
+printf("\nEx2.41\n");
+//page no.-87
+//given
+h=6.6*10^-34;..........//planck's constant in J-sec
+m=9*10^-31;.........//mass of electron in kg
+w=6.4*10^-19;.........//work function in joule
+nu=10^15;.............//frequency in hertz
+
+v=sqrt((2*(h*nu-w))/m)............//velocity in m/sec
+
+printf("\nvelocity of photoelectrons is 2.108*10^5 m/sec\n");