2 files changed, 9 insertions, 0 deletions
diff --git a/446/CH8/EX8.1/8_1.sce b/446/CH8/EX8.1/8_1.sce
new file mode 100755
index 000000000..5dd642e59
--- /dev/null
+++ b/446/CH8/EX8.1/8_1.sce
@@ -0,0 +1,6 @@
+clear  
+clc
+disp('Exa-8.1');
+hc=1240*10^-9;Rinfi=1.097*10^7;Z=11;  //for sodium atom;and other constants in MeV
+delE=3*hc*Rinfi*(Z-1)^2/4              //change in energy
+printf('The energy of the Ka x-ray of the sodium atom is %.3f KeV.',delE/10^3);
diff --git a/446/CH8/EX8.1/8_1.txt b/446/CH8/EX8.1/8_1.txt
new file mode 100755
index 000000000..c888c7f37
--- /dev/null
+++ b/446/CH8/EX8.1/8_1.txt
@@ -0,0 +1,3 @@
+  
+ Exa-8.1   
+The energy of the Ka x-ray of the sodium atom is 1.020 KeV. 
+\ No newline at end of file