1 files changed, 18 insertions, 0 deletions
diff --git a/3755/CH6/EX6.17/Ex6_17.sce b/3755/CH6/EX6.17/Ex6_17.sce
new file mode 100644
index 000000000..81fd710a1
--- /dev/null
+++ b/3755/CH6/EX6.17/Ex6_17.sce
@@ -0,0 +1,18 @@
+clear
+//
+//
+//
+
+//Variable declaration    
+h=6.62*10^-34;        //planck's constant(J-sec)
+m=9*10^-31;    //mass of neutron(kg)
+e=1.6*10^-19;        //charge of electron(c)
+V=344;       //potential difference(V)
+theta=60*%pi/180;         //angle(radian)
+
+//Calculations
+d=h*10^10/(2*sin(theta)*sqrt(2*m*e*V));         //interplanar spacing(angstrom)
+
+//Result
+printf("\n interplanar spacing is %0.2f angstrom",d)
+printf("\n answer in the book is wrong")