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

---
 2243/CH7/EX7.1/Ex7_1.sce  | 13 +++++++++++++
 2243/CH7/EX7.1/Res7_1.txt |  4 ++++
 2 files changed, 17 insertions(+)
 create mode 100755 2243/CH7/EX7.1/Ex7_1.sce
 create mode 100755 2243/CH7/EX7.1/Res7_1.txt

(limited to '2243/CH7/EX7.1')

diff --git a/2243/CH7/EX7.1/Ex7_1.sce b/2243/CH7/EX7.1/Ex7_1.sce
new file mode 100755
index 000000000..95d5d8418
--- /dev/null
+++ b/2243/CH7/EX7.1/Ex7_1.sce
@@ -0,0 +1,13 @@
+clc();
+clear;
+//Given :
+n =1 ; // ground state
+m = 9.109382*10^-31; //electron mass in kg
+h = 6.625*10^-34; //planck's constant in Js
+e = 1.602176*10^-19; // Charge of an electron in C
+e0 = 8.854188*10^-12; // Vacuum permittivity in F/m
+r1 = (n^2*h^2*e0)/(%pi*m*e^2);// Radius in A
+v1 = e^2/(2*h*e0*n); // Velocity in m/s
+E1 = -((m*e^4)/(8*n^2*h^2*e0^2)); // Energy of an electron in eV
+// 1 A = 1.0*10^-10 m , 1 eV = 1.6*10^-19 J
+printf("For hydrogen atom : \n Radius  = %.2f A \n Velocity = %.1f x 10^6 m/s \n Energy of an electron = %.1f eV",r1*10^10,v1*10^-6,E1/(1.6*10^-19));
diff --git a/2243/CH7/EX7.1/Res7_1.txt b/2243/CH7/EX7.1/Res7_1.txt
new file mode 100755
index 000000000..c461e62c3
--- /dev/null
+++ b/2243/CH7/EX7.1/Res7_1.txt
@@ -0,0 +1,4 @@
+ For hydrogen atom : 
+ Radius  = 0.53 A 
+ Velocity = 2.2 x 10^6 m/s 
+ Energy of an electron = -13.6 eV 
\ No newline at end of file
-- 
cgit