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Diffstat (limited to '2243/CH6/EX6.14/Ex6_14.sce')
| -rwxr-xr-x | 2243/CH6/EX6.14/Ex6_14.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/2243/CH6/EX6.14/Ex6_14.sce b/2243/CH6/EX6.14/Ex6_14.sce new file mode 100755 index 000000000..6539a82dd --- /dev/null +++ b/2243/CH6/EX6.14/Ex6_14.sce @@ -0,0 +1,24 @@ +clc();
+clear;
+//Given:
+//(a) Ball
+h = 6.625*10^-34; //planck's constant in Js
+m1 = 45; //mass in g
+v1 = 40; //Speed in m/s
+prec1 = 1.5/100 ;//precision
+// m1 = 45*10^-3 kg , 1 g = 1.0*10^-3 kg
+p1 =m1*10^-3*v1 ; // momentum in kg m/s
+//(deltap/p)*100 = 1.5
+deltap1 = prec1*p1 ;
+deltax1 = h/deltap1; // uncertainty in position in m
+printf("Uncertainty in position for a ball : %.2f x 10^-32 m \n",deltax1*10^32);
+//(b) Electron
+m2 = 9.1*10^-31; //electron mass in kg
+v2 = 2*10^6 ; // Speed in m/s
+prec2 = 1.5/100 ; // precision
+p2 = m2*v2; // momentum in kg m/s
+//(deltap/p)*100 = 1.5
+deltap2 = prec2*p2 ;
+deltax2 = h/deltap2; // uncertainty in position in m
+// 1 A = 1.0*10^-10 m
+printf("Uncertainty in position for an electron : %.0f A \n",deltax2/(1.0*10^-10));
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