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

---
 1985/CH9/EX9.1/Chapter9_Example1.sce | 13 +++++++++++++
 1985/CH9/EX9.2/Chapter9_Example2.sce | 15 +++++++++++++++
 1985/CH9/EX9.3/Chapter9_Example3.sce | 15 +++++++++++++++
 1985/CH9/EX9.4/Chapter9_Example4.sce | 18 ++++++++++++++++++
 1985/CH9/EX9.5/Chapter9_Example5.sce | 15 +++++++++++++++
 1985/CH9/EX9.6/Chapter9_Example6.sce | 11 +++++++++++
 1985/CH9/EX9.7/Chapter9_Example7.sce | 15 +++++++++++++++
 7 files changed, 102 insertions(+)
 create mode 100755 1985/CH9/EX9.1/Chapter9_Example1.sce
 create mode 100755 1985/CH9/EX9.2/Chapter9_Example2.sce
 create mode 100755 1985/CH9/EX9.3/Chapter9_Example3.sce
 create mode 100755 1985/CH9/EX9.4/Chapter9_Example4.sce
 create mode 100755 1985/CH9/EX9.5/Chapter9_Example5.sce
 create mode 100755 1985/CH9/EX9.6/Chapter9_Example6.sce
 create mode 100755 1985/CH9/EX9.7/Chapter9_Example7.sce

(limited to '1985/CH9')

diff --git a/1985/CH9/EX9.1/Chapter9_Example1.sce b/1985/CH9/EX9.1/Chapter9_Example1.sce
new file mode 100755
index 000000000..54eb0fad1
--- /dev/null
+++ b/1985/CH9/EX9.1/Chapter9_Example1.sce
@@ -0,0 +1,13 @@
+clc
+clear
+//Input data
+V=150//Potential difference in V
+h=(6.625*10^-34)//Plancks constant in Js
+m=(9.1*10^-31)//Mass of the electron in kg
+e=(1.6*10^-19)//Charge of the electron in coloumbs
+
+//Calculations
+l=(h/sqrt(2*m*e*V))/10^-10//de Broglie wavelength of the electron in m*10^-10
+
+//Output
+printf('The de Broglie wavelength of an electron is %3.4f *10^-10 m',l)
diff --git a/1985/CH9/EX9.2/Chapter9_Example2.sce b/1985/CH9/EX9.2/Chapter9_Example2.sce
new file mode 100755
index 000000000..a3ee6736f
--- /dev/null
+++ b/1985/CH9/EX9.2/Chapter9_Example2.sce
@@ -0,0 +1,15 @@
+clc
+clear
+//Input data
+E=0.025//Energy of the electron in MeV
+e=(1.6*10^-19)//Charge of the electron in coloumbs
+h=(6.625*10^-34)//Plancks constant in Js
+m=(9.1*10^-31)//Mass of the electron in kg
+
+//Calculations
+E1=E*e*10^6//Energy of the electron in J
+v=sqrt((2*E1)/m)//Velocity of the electron in m/s
+l=(h/(m*v))/10^-10//de Broglie wavelength in angstroms
+
+//Output
+printf('The de Broglie wavelength is %3.4f angstroms',l)
diff --git a/1985/CH9/EX9.3/Chapter9_Example3.sce b/1985/CH9/EX9.3/Chapter9_Example3.sce
new file mode 100755
index 000000000..2d8836655
--- /dev/null
+++ b/1985/CH9/EX9.3/Chapter9_Example3.sce
@@ -0,0 +1,15 @@
+clc
+clear
+//Input data
+E=1//Energy of the electron in MeV
+e=(1.6*10^-19)//Charge of the electron in coloumbs
+h=(6.625*10^-34)//Plancks constant in Js
+m=(9.1*10^-31)//Mass of the electron in kg
+
+//Calculations
+E1=E*e*10^6//Energy of the electron in J
+v=sqrt((2*E1)/m)//Velocity of the electron in m/s
+l=(h/(m*v))/10^-10//de Broglie wavelength in angstroms
+
+//Output
+printf('The de Broglie wavelength is %3.5f angstroms',l)
diff --git a/1985/CH9/EX9.4/Chapter9_Example4.sce b/1985/CH9/EX9.4/Chapter9_Example4.sce
new file mode 100755
index 000000000..a6c20ab45
--- /dev/null
+++ b/1985/CH9/EX9.4/Chapter9_Example4.sce
@@ -0,0 +1,18 @@
+clc
+clear
+//Input data
+V=100//Potential difference in V
+e=(1.6*10^-19)//Charge of the electron in coloumbs
+h=(6.625*10^-34)//Plancks constant in Js
+m=(9.1*10^-31)//Mass of the electron in kg
+c=(3*10^8)//Velocity of light in m/s
+
+//Calculations
+v=sqrt((2*e*V)/m)/10^6//Velocity of the electron in m/s*10^6
+u=(c^2/(v*10^6))/10^10//Phase velocity of the electron in m/s *10^10
+l=(h/(m*(v*10^6)))/10^-10//de Broglie wavelength in angstroms
+p=(m*(v*10^6))/10^-24//Momemtum of the electron in kg.m/s *10^-24
+V1=(1/(l*10^-10))/10^9//Wave number of the electron wave in m^-1
+
+//Output
+printf('(i) Velocity of the electron is %3.5f*10^6 m/s \n (ii) Phase velocity of the electron is %3.4f*10^10 m/s  \n (iii) de Broglie wavelength is %3.5f angstroms \n (iv) Momemtum of the electron is %3.6f *10^-24 kg.m/s \n (v) Wave number of the electron wave is %3.6f *10^9 m^-1',v,u,l,p,V1)
diff --git a/1985/CH9/EX9.5/Chapter9_Example5.sce b/1985/CH9/EX9.5/Chapter9_Example5.sce
new file mode 100755
index 000000000..a8092c344
--- /dev/null
+++ b/1985/CH9/EX9.5/Chapter9_Example5.sce
@@ -0,0 +1,15 @@
+clc
+clear
+//Input data
+r=10^-14//Radius of the nucleus in m
+m=(1.67*10^-27)//Mass of the proton in kg
+h=(6.625*10^-34)//Plancks constant in Js
+
+//Calculations
+x=6.24150934*10^12//1 Joule  in MeV
+dp=(h/(2*3.14*r))/10^-20//The uncertainity in the momentum of the proton in kg m/s *10^-20
+ke=((dp*10^-20)^2/(2*m))*x//Minimum kinetic energy of the proton in MeV
+
+//Output
+printf('The uncertainity in the momentum of the proton is %3.3f*10^-20 kg m/s \n Minimum kinetic energy of the proton is %3.3f MeV',dp,ke)
+
diff --git a/1985/CH9/EX9.6/Chapter9_Example6.sce b/1985/CH9/EX9.6/Chapter9_Example6.sce
new file mode 100755
index 000000000..f69c78ccb
--- /dev/null
+++ b/1985/CH9/EX9.6/Chapter9_Example6.sce
@@ -0,0 +1,11 @@
+clc
+clear
+//Input data
+dx=(0.1*10^-10)//The uncertainity in the position of the electron in m
+h=(6.625*10^-34)//Plancks constant in Js
+
+//Calculations
+dp=(h/(2*3.14*dx))/10^-23//The uncertainity in the momentum of the electron located in kg m/s*10^-23
+
+//Output
+printf('The uncertainity in the momentum of the electron located is %3.3f*10^-23 kg m/s',dp)
diff --git a/1985/CH9/EX9.7/Chapter9_Example7.sce b/1985/CH9/EX9.7/Chapter9_Example7.sce
new file mode 100755
index 000000000..fa4e9bbad
--- /dev/null
+++ b/1985/CH9/EX9.7/Chapter9_Example7.sce
@@ -0,0 +1,15 @@
+clc
+clear
+//Input data
+a=(1*10^-10)//Width of the potential well in m
+m=(9.1*10^-31)//Mass of the electron in kg
+h=(6.625*10^-34)//Plancks constant in Js
+
+//Calculations
+x=6.24150934*10^18//1 Joule in eV
+E1=((h^2*1^2)/(8*m*a^2))*x//The energy of the first excited state in eV
+E2=((h^2*2^2)/(8*m*a^2))*x//The energy of the second excited state in eV
+E3=((h^2*3^2)/(8*m*a^2))*x//The energy of the third excited state in eV
+
+//Output
+printf('The energy of the first excited state is %3.3f eV \n The energy of the second excited state is %3.3f eV \n The energy of the third excited state is %3.3f eV',E1,E2,E3)
-- 
cgit