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+clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9*10^-31; //mass of electron(kg)
+deltax_max=10*10^-10; //length of box(m)
+
+//Calculations
+deltavx_min=h/(deltax_max*m); //minimum uncertainity in velocity of electron(m/s)
+
+//Result
+printf("\n minimum uncertainity in velocity of electron is %0.0f *10^5 m/s",deltavx_min/10^5)