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/EX2.15/Ch02Ex15.sci | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 1004/CH2/EX2.15/Ch02Ex15.sci

(limited to '1004/CH2/EX2.15/Ch02Ex15.sci')

diff --git a/1004/CH2/EX2.15/Ch02Ex15.sci b/1004/CH2/EX2.15/Ch02Ex15.sci
new file mode 100755
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+++ b/1004/CH2/EX2.15/Ch02Ex15.sci
@@ -0,0 +1,15 @@
+// Scilab Code Ex2.15 First Bohr Orbit in hydrogen atom: Pg:56 (2008)s
+n = 1;    // Principle quantum number of first orbit in H-atom
+h = 6.624e-034;    // Planck's Constant, Js
+c = 3e+08;    // Speed of light, m/s
+epsilon_0 = 8.85e-012;    // Absolute electrical permittivity of free space, coulomb square per newton per metre square
+Z = 1;    // Atomic number of hydrogen
+m = 9.1e-031;    // Mass of an electron, kg
+e = 1.6e-019;    // Charge on an electron, coulomb
+r = epsilon_0*n^2*h^2/(%pi*m*Z*e^2);    // Radius of first Bohr's orbit, m
+v = Z*e^2/(2*8.85e-012*h*n);    // Velocity of electron in the first Bohr orbit, m/s
+printf("\nThe radius of first Bohr orbit = %5.3f angstrom", r/1e-010);
+printf("\nThe velocity of electron in first Bohr orbit = (1/%3d)c", 1/v*c);
+// Result 
+// The radius of first Bohr orbit = 0.531 angstrom
+// The velocity of electron in first Bohr orbit = (1/137)c
\ No newline at end of file
-- 
cgit