From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3717/CH7/EX7.13/Ex7_13.sce | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 3717/CH7/EX7.13/Ex7_13.sce

(limited to '3717/CH7/EX7.13/Ex7_13.sce')

diff --git a/3717/CH7/EX7.13/Ex7_13.sce b/3717/CH7/EX7.13/Ex7_13.sce
new file mode 100644
index 000000000..eda812b4b
--- /dev/null
+++ b/3717/CH7/EX7.13/Ex7_13.sce
@@ -0,0 +1,12 @@
+// Ex7_13 Page:141 (2014)
+clc;clear;
+Z = 11;    // Atomic number of sodium
+h = 6.626e-034;    // Planck's constant, Js
+e = 1.6e-019;    // Energy conversion factor, J/eV
+c = 3e+08;    // Speed of light in vacuum, m/s
+R_inf = 1.097e+07;    // Rydberg constant, per metre
+E_K_alpha = (3*h*c*R_inf*(Z - 1)^2)/(4*e*1e+03);    // The energy of the K_alpha X-ray of sodium, keV
+printf("\nThe energy of the K_alpha X-ray of sodium = %4.2f keV", E_K_alpha);
+
+// Result
+// The energy of the K_alpha X-ray of sodium = 1.02 keV 
\ No newline at end of file
-- 
cgit