6 files changed, 62 insertions, 0 deletions
diff --git a/3850/CH43/EX43.1/Example43_1.sce b/3850/CH43/EX43.1/Example43_1.sce
new file mode 100644
index 000000000..be97f6e3d
--- /dev/null
+++ b/3850/CH43/EX43.1/Example43_1.sce
@@ -0,0 +1,17 @@
+//Calculate the Energy of Helium ion its first excited state
+
+//Example 43.1
+
+clear;
+
+clc;
+
+Rhc=13.6;//Product of Rydberg's Constant, Plancks Constant and Speed of Light (Rhc) in eV
+
+Z=2;//Atomic Number for Helium Ion
+
+n=2;//First Excited State
+
+E=-Rhc*Z^2/n^2;//Energy of Helium Ion in the first excited state in eV
+
+printf("Energy of Helium Ion in the first excited state = %.1f eV",E);
diff --git a/3850/CH43/EX43.1/Example43_1.txt b/3850/CH43/EX43.1/Example43_1.txt
new file mode 100644
index 000000000..d4c09def7
--- /dev/null
+++ b/3850/CH43/EX43.1/Example43_1.txt
@@ -0,0 +1 @@
+ Energy of Helium Ion in the first excited state = -13.6 eV
+\ No newline at end of file
diff --git a/3850/CH43/EX43.2/Example43_2.sce b/3850/CH43/EX43.2/Example43_2.sce
new file mode 100644
index 000000000..4d3d06408
--- /dev/null
+++ b/3850/CH43/EX43.2/Example43_2.sce
@@ -0,0 +1,19 @@
+//To Calculate the Wavelength of Radiation for Helium Ion
+
+//Example 43.2
+
+clear;
+
+clc;
+
+n=2;//Final State of the electron
+
+m=3;//Initial State of the Electron
+
+R=1.0973*10^7;//Rydberg's Constant
+
+Z=2;//Atomic Number for Helium Ion
+
+L=1/(R*Z^2*((1/n^2)-(1/m^2)));//Wavelength of radiation emitted when Helium ion make a transition from the state n=3 to n=2
+
+printf("Wavelength of radiation emitted when Helium ion makes a transition from the state n=3 to n=2 is = %.0f nm",L*10^9);
diff --git a/3850/CH43/EX43.2/Example43_2.txt b/3850/CH43/EX43.2/Example43_2.txt
new file mode 100644
index 000000000..b2bc0482c
--- /dev/null
+++ b/3850/CH43/EX43.2/Example43_2.txt
@@ -0,0 +1 @@
+ Wavelength of radiation emitted when Helium ion makes a transition from the state n=3 to n=2 is = 164 nm
+\ No newline at end of file
diff --git a/3850/CH43/EX43.3/Ex43_3.sce b/3850/CH43/EX43.3/Ex43_3.sce
new file mode 100644
index 000000000..b22933002
--- /dev/null
+++ b/3850/CH43/EX43.3/Ex43_3.sce
@@ -0,0 +1,23 @@
+
+
+//To Calculate the Energy needed to remove the electron from the ion
+
+//Example 43.3
+
+clear;
+
+clc;
+
+E1=40.8;//Excitation Energy of Hydroen like ion inits first excited state in eV
+
+K=13.6;//Value of constant Rhc = 13.6 eV
+
+n1=1;//n=1 for the first orbit
+
+n2=2;//n=2 for the second orbit
+
+Z=sqrt(E1/(K*((1/n1^2)-(1/n2^2))));//Atomic Number of Hydrogen like ion
+
+E=-K*Z^2;//Energy needed to remove the electron from the ion in eV
+
+printf("Energy required to remove the electron from the ion = %.1f eV",E);
diff --git a/3850/CH43/EX43.3/Ex43_3.txt b/3850/CH43/EX43.3/Ex43_3.txt
new file mode 100644
index 000000000..6ab30617c
--- /dev/null
+++ b/3850/CH43/EX43.3/Ex43_3.txt
@@ -0,0 +1 @@
+ Energy required to remove the electron from the ion = -54.4 eV
+\ No newline at end of file