From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3701/CH4/EX4.1/Ex4_1.sce   |  9 +++++++++
 3701/CH4/EX4.10/Ex4_10.sce | 15 +++++++++++++++
 3701/CH4/EX4.2/Ex4_2.sce   | 12 ++++++++++++
 3701/CH4/EX4.3/Ex4_3.sce   | 10 ++++++++++
 3701/CH4/EX4.4/Ex4_4.sce   | 14 ++++++++++++++
 3701/CH4/EX4.5/Ex4_5.sce   | 10 ++++++++++
 3701/CH4/EX4.6/Ex4_6.sce   | 11 +++++++++++
 3701/CH4/EX4.7/Ex4_7.sce   | 13 +++++++++++++
 8 files changed, 94 insertions(+)
 create mode 100644 3701/CH4/EX4.1/Ex4_1.sce
 create mode 100644 3701/CH4/EX4.10/Ex4_10.sce
 create mode 100644 3701/CH4/EX4.2/Ex4_2.sce
 create mode 100644 3701/CH4/EX4.3/Ex4_3.sce
 create mode 100644 3701/CH4/EX4.4/Ex4_4.sce
 create mode 100644 3701/CH4/EX4.5/Ex4_5.sce
 create mode 100644 3701/CH4/EX4.6/Ex4_6.sce
 create mode 100644 3701/CH4/EX4.7/Ex4_7.sce

(limited to '3701/CH4')

diff --git a/3701/CH4/EX4.1/Ex4_1.sce b/3701/CH4/EX4.1/Ex4_1.sce
new file mode 100644
index 000000000..b8eb60291
--- /dev/null
+++ b/3701/CH4/EX4.1/Ex4_1.sce
@@ -0,0 +1,9 @@
+////Given 
+V=100                                     //volts
+
+//Calculation 
+//
+wavelength=12.3/(sqrt(V))
+
+//Result
+printf("\n de Broglie wavelength of electrons  %0.3f A", wavelength)
diff --git a/3701/CH4/EX4.10/Ex4_10.sce b/3701/CH4/EX4.10/Ex4_10.sce
new file mode 100644
index 000000000..b47c68936
--- /dev/null
+++ b/3701/CH4/EX4.10/Ex4_10.sce
@@ -0,0 +1,15 @@
+////Given
+V=100                                    //ev
+a=10                                     //degree
+n=1
+
+//Calculation
+//
+v=12.3/(sqrt(V))                   //De broglie wavelength
+d=v/(2*sin(a*3.14/180.0))
+n=(2*d)/v
+
+//Result
+printf("\n (a) Spacing between the crystal plane is  %0.2f A",d)
+printf("\n (b) Peaks in the interference pattern is  %0.2f ",n)
+printf("\n the largest possible value of n is 5")
diff --git a/3701/CH4/EX4.2/Ex4_2.sce b/3701/CH4/EX4.2/Ex4_2.sce
new file mode 100644
index 000000000..196fedf13
--- /dev/null
+++ b/3701/CH4/EX4.2/Ex4_2.sce
@@ -0,0 +1,12 @@
+////Given
+K=100                                       //ev
+h=6.63*10**-34
+m=9.1*10**-31
+e=1.6*10**-19
+
+//Calculation
+//
+v=h/(sqrt(2*m*K*e))
+
+//Result
+printf("\n de broglie wavelength of electrons  %0.1f A",v*10**10)
diff --git a/3701/CH4/EX4.3/Ex4_3.sce b/3701/CH4/EX4.3/Ex4_3.sce
new file mode 100644
index 000000000..57b415d77
--- /dev/null
+++ b/3701/CH4/EX4.3/Ex4_3.sce
@@ -0,0 +1,10 @@
+////Given
+m=1.675*10**-27                                 //mass of neutron in kg
+v=1.4*10**-10                                   //de broglie wavelength in m
+h=6.63*10**-34                                  //Js
+
+//Calculation 
+K=(h**2/(2*m*(v**2)))/(1.6*10**-19)
+
+//Result
+printf("\n Kinetic energy of neutron is  %0.2f *10**-2 ev",K*10**2)
diff --git a/3701/CH4/EX4.4/Ex4_4.sce b/3701/CH4/EX4.4/Ex4_4.sce
new file mode 100644
index 000000000..4edb735a1
--- /dev/null
+++ b/3701/CH4/EX4.4/Ex4_4.sce
@@ -0,0 +1,14 @@
+////Given
+E=-3.4                                        //total energy in ev
+h=6.63*10**-34                                //Js
+m=9.1*10**-31
+e=1.6*10**-19                                   
+
+//Calculation
+//
+K=-E
+v=h/(sqrt(2*m*K*e))
+
+//Result 
+printf("\n (a) Kinetic energy  %0.3f ev",K)
+printf("\n (b) de broglie wavelength of the electron is  %0.3f A",v*10**10)
diff --git a/3701/CH4/EX4.5/Ex4_5.sce b/3701/CH4/EX4.5/Ex4_5.sce
new file mode 100644
index 000000000..2aab8b718
--- /dev/null
+++ b/3701/CH4/EX4.5/Ex4_5.sce
@@ -0,0 +1,10 @@
+////Given
+m=1.672*10**-27                         //mass of neutron in kg
+h=6.60*10**-34                          //Js
+v=1.0*10**-10                           //de broglie wavelength in m
+
+//Calculation
+K=(h**2/(2.0*m*v**2))/(1.6*10**-19)
+
+//Result
+printf("\n Kinetic energy of a neutron is  %0.2f *10**-2 ev",K*10**2)
diff --git a/3701/CH4/EX4.6/Ex4_6.sce b/3701/CH4/EX4.6/Ex4_6.sce
new file mode 100644
index 000000000..f03212a57
--- /dev/null
+++ b/3701/CH4/EX4.6/Ex4_6.sce
@@ -0,0 +1,11 @@
+////Given
+m=10*10**-3                                        //mass of a ball in kg 
+v=1                                                //Speed in m/s
+h=6.63*10**-34                                     //Js
+
+//Calculation
+V=h/(m*v)                                          //Wavelength
+
+//Result
+printf("\n de broglie wavelength is  %e m",V)
+printf("\n This wavelength is negligible compared to the dimensions of the ball. therefore its effect can not be observed.")
diff --git a/3701/CH4/EX4.7/Ex4_7.sce b/3701/CH4/EX4.7/Ex4_7.sce
new file mode 100644
index 000000000..977a62537
--- /dev/null
+++ b/3701/CH4/EX4.7/Ex4_7.sce
@@ -0,0 +1,13 @@
+////Given
+T=27                            //temperature in degree c
+K=1.38*10**-23                  //boltzmann constant in J/K
+h=6.63*10**-34                  //Js
+m=1.67*10**-27
+
+//Calculation
+//
+T1=T+273
+v=h/(sqrt(2*m*K*T1))
+
+//Result
+printf("\n de broglie wavelength is  %0.2f A",v*10**10)
-- 
cgit