1 files changed, 17 insertions, 0 deletions
diff --git a/3755/CH6/EX6.21/Ex6_21.sce b/3755/CH6/EX6.21/Ex6_21.sce
new file mode 100644
index 000000000..e3fb667b6
--- /dev/null
+++ b/3755/CH6/EX6.21/Ex6_21.sce
@@ -0,0 +1,17 @@
+clear
+//
+//
+//
+
+//Variable declaration    
+h=6.63*10^-34;        //planck's constant(J-sec)
+m0=9.1*10^-31;    //mass of electron(kg)
+deltax=0.1*10^-10;       //uncertainity in position of electron(m)
+
+//Calculations
+delta_p=h/deltax;       //uncertainity in momentum(kg m/sec)
+delta_v=delta_p/m0;      //uncertainity in velocity(m/sec)
+
+//Result
+printf("\n uncertainity in momentum is %e kg m/sec",delta_p)
+printf("\n uncertainity in velocity is %0.3f *10^7 m/sec",delta_v/10^7)