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-rwxr-xr-x3014/CH2/EX2.15/Ex2_15.sce15
-rwxr-xr-x3014/CH2/EX2.15/Ex2_15.txt4
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diff --git a/3014/CH2/EX2.15/Ex2_15.sce b/3014/CH2/EX2.15/Ex2_15.sce
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+clc
+
+//given that
+del_x = 5000 // Uncertainty in position in angstrom
+h = 6.63e-34 // Plank constant
+m = 200 // mass of ball in gram
+v = 6 // velocity of moving ball in m/s
+printf("Example 2.15")
+h_bar = h / (2*%pi) // constant
+del_p = h_bar/(2*del_x*1e-10) // Calculation of uncertainty in momentum
+p = m*v/1000 // Calculation of momentum
+per_error = del_p*100/p // Calculation of percentage error in calculation of momentum
+printf("\n Uncertainty in momentum of ball is %e kgm/s.",del_p)
+printf("\n Percentage error in calculation of momentum is %e.\n\n\n",per_error)
+
diff --git a/3014/CH2/EX2.15/Ex2_15.txt b/3014/CH2/EX2.15/Ex2_15.txt
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+
+Example 2.15
+ Uncertainty in momentum of ball is 1.055197e-28 kgm/s.
+ Percentage error in calculation of momentum is 8.793311e-27.