diff options
Diffstat (limited to '3875/CH10/EX10.27/10_27.sce')
| -rw-r--r-- | 3875/CH10/EX10.27/10_27.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/3875/CH10/EX10.27/10_27.sce b/3875/CH10/EX10.27/10_27.sce new file mode 100644 index 000000000..1cf63f982 --- /dev/null +++ b/3875/CH10/EX10.27/10_27.sce @@ -0,0 +1,14 @@ +clc;
+clear;
+m=1.675*10^-27//mass of neutron in kg
+h=6.63*10^-34 //Plancks constant in J-s
+n=1 //first reflection maximum
+KE=0.04*1.6*10^-19 //energy in J
+d=0.314*10^-9 //interplanar distance in m
+
+//calculation
+
+phi=asind((n*h)/(2*d*sqrt(2*m*KE)))
+mprintf("The glancing angle is = %2.1f degree",phi)
+//The answer varies due to round off error.
+
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