From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1004/CH2/EX2.28/Ch02Ex28.sci | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 1004/CH2/EX2.28/Ch02Ex28.sci

(limited to '1004/CH2/EX2.28/Ch02Ex28.sci')

diff --git a/1004/CH2/EX2.28/Ch02Ex28.sci b/1004/CH2/EX2.28/Ch02Ex28.sci
new file mode 100755
index 000000000..1dc7b7c45
--- /dev/null
+++ b/1004/CH2/EX2.28/Ch02Ex28.sci
@@ -0,0 +1,17 @@
+// Scilab Code Ex2.28 Photon emitted by hydrogen atom: Pg:64 (2008)
+e = 1.6e-019;    // Energy equivalent of 1 eV, joule/eV
+h = 6.624e-034;    // Planck's constant, Js
+c = 3e+08;    // Speed of light, m/s
+E1 = -13.6;    // Energy of electron in the first orbit of hydrogen atom, eV
+n = 2;    // Principal quantum number for second orbit
+E2 = E1/n^2;    // Energy of electron in the second orbit of hydrogen atom, eV
+E = (E2 - E1)*e;    // Energy of photon emitted, joule
+P = E/c;    // Momentum of photon, kg-m/s
+L = (h/P)/1e-010;    // de_Broglie wavelength of photon, angstrom
+printf("\nThe energy of photon emitted by hydrogen atom %5.2e J", E);
+printf("\nThe momentum of photon = %4.2e kg-m/s", P);
+printf("\nThe de_Broglie wavelength of photon = %4d angstrom", L);
+// Result 
+// The energy of photon emitted by hydrogen atom 1.63e-018 J 
+// The momentum of photon = 5.44e-027 kg-m/s
+// The de_Broglie wavelength of photon = 1217 angstrom 
\ No newline at end of file
-- 
cgit