8 files changed, 116 insertions, 0 deletions
diff --git a/1016/CH1/EX1.1/ex1_1.sce b/1016/CH1/EX1.1/ex1_1.sce
new file mode 100755
index 000000000..8a1de9983
--- /dev/null
+++ b/1016/CH1/EX1.1/ex1_1.sce
@@ -0,0 +1,17 @@
+clc;clear;
+//Example 1.1
+//Comparision of electrostatic force of replusion between two particles with the gravitational forces between them
+
+//given values
+q1=3.2*10^-19;
+q2=q1;//q1 and q2 are the values of charge on alpha-particle in C
+d=10^-13;//distance between two alpha-particles in m
+m1=6.68*10^-27;
+m2=m1;//m1 and m2 are masses of alpha-particles in kg
+G=6.67*10^-11;//Gravitational constant in N-(m^2)/(kg^2)
+
+//calculation
+F1=(9*10^9)*(q1*q2)/(d^2);//calculation of electrostatic force
+disp(F1,'The electrosatic force(in N) is');
+F2=G*(m1*m2)/(d^2);//calculation of electrostatic force
+disp(F2,'The gravitational force (in N) is')
+\ No newline at end of file
diff --git a/1016/CH1/EX1.2/ex1_2.sce b/1016/CH1/EX1.2/ex1_2.sce
new file mode 100755
index 000000000..3c26f4103
--- /dev/null
+++ b/1016/CH1/EX1.2/ex1_2.sce
@@ -0,0 +1,13 @@
+clc;clear;
+//Example 1.2
+//Calculation of the distance of separation between two electrons
+
+// given values
+m=9.1*10^-31;//mass of elctron in kg
+q=1.6*10^-19;//charge on electron in C
+g=9.81;//acceleration due to gravity in m/(s^2)
+
+//calculation
+Fg=m*g;//gravitational force in N
+d=sqrt((9*10^9*q^2)/Fg);//equating gravitational force with electrosatic force for calculating distance
+disp(d,'The distance of separation(in m) is') 
+\ No newline at end of file
diff --git a/1016/CH1/EX1.3/ex1_3.sce b/1016/CH1/EX1.3/ex1_3.sce
new file mode 100755
index 000000000..0f422990f
--- /dev/null
+++ b/1016/CH1/EX1.3/ex1_3.sce
@@ -0,0 +1,14 @@
+clc;clear;
+//Example 1.3
+//Calculation of electric intensity between plates and force on proton
+
+//given values
+d=0.02//distance between plates in m
+V=400;//potential differnce of plates in V
+q=1.6*10^-19;//charge on a proton in C
+
+//calculation
+E=V/d;//
+disp(E,'The electric field intensity(in V/m) between plates is');
+F=q*E;//
+disp(F,'The force(in N) on proton is') 
+\ No newline at end of file
diff --git a/1016/CH1/EX1.4/ex1_4.sce b/1016/CH1/EX1.4/ex1_4.sce
new file mode 100755
index 000000000..607e50422
--- /dev/null
+++ b/1016/CH1/EX1.4/ex1_4.sce
@@ -0,0 +1,15 @@
+clc;clear;
+//Example 1.4
+//calculation of mass of oil drop
+
+//given values
+d=0.02//distance between plates in m
+q=1.6*10^-19;//charge on oil drop in C
+V=6000;//potential differnce of plates in V
+g=9.81;//acceleration due to gravity in m/(s^2)
+
+//calculation
+E=V/d;//electric field intensity between plates in V/m
+F=q*E;//electrostatic force on oil drop in N
+m=F/g;//equating the weight of oil drop to the electrostatic force on it
+disp(m,'The mass(in kg) of oil drop')  
+\ No newline at end of file
diff --git a/1016/CH1/EX1.5/ex1_5.sce b/1016/CH1/EX1.5/ex1_5.sce
new file mode 100755
index 000000000..8cf8cf999
--- /dev/null
+++ b/1016/CH1/EX1.5/ex1_5.sce
@@ -0,0 +1,13 @@
+clc;clear;
+//Example 1.5
+//Calculation of velocity of an electron
+
+//given values
+V=150;//potential difference between anode and cathode in V
+m=9.31*10^-31;//mass of an electron in kg
+q=1.6*10^-19;//charge on an electron in C
+
+//Calculation
+E=q*V;//energy(in J) gained by electron during speeding from cathode to anode
+vel=sqrt(E*2/m);//equating with kinetic energy of electron i.e m(v^2)/2
+disp(vel,'The velocity(in m/s) is')
+\ No newline at end of file
diff --git a/1016/CH1/EX1.6/ex1_6.sce b/1016/CH1/EX1.6/ex1_6.sce
new file mode 100755
index 000000000..61193c615
--- /dev/null
+++ b/1016/CH1/EX1.6/ex1_6.sce
@@ -0,0 +1,15 @@
+clc;clear;
+//Example 1.6
+//Calculation of energy in eV,MeV,J
+
+//given values
+V=5*10^6;//potential differnce through which alpha-particle is accelerated
+e=1.6*10^-19;//charge on electron in C
+
+//calculation
+E1=2*V;//electronic charge on alpha-particle is 2e Coulombs
+disp(E1,'The energy in eV is');
+E2=E1/10^6;//energy in MeV
+disp(E2,'The energy in MeV is');
+E3=E1*e;//energy in Joules
+disp(E3,'The energy in J is')
+\ No newline at end of file
diff --git a/1016/CH1/EX1.7/ex1_7.sce b/1016/CH1/EX1.7/ex1_7.sce
new file mode 100755
index 000000000..5678ba5b3
--- /dev/null
+++ b/1016/CH1/EX1.7/ex1_7.sce
@@ -0,0 +1,15 @@
+clc;clear;
+//Example 1.7
+//Calculation of the total energy 
+
+//given values
+r=0.528*10^-10;//radius of the orbit in m
+q=-1.6*10^-19;//charge on electron in C
+Q=1.6*10^-19;//charge on Hydrogen nucleus in C
+Eo=8.854*10^-12;//permittivity in free space in F/m
+
+//calculation
+E=(q*Q)/(8*3.14*Eo*r);//
+disp(E,'The total energy(in J) is');
+E1=E/(1.6*10^-19);//
+disp(E1,'The total energy(in eV) is')
+\ No newline at end of file
diff --git a/1016/CH1/EX1.8/ex1_8.sce b/1016/CH1/EX1.8/ex1_8.sce
new file mode 100755
index 000000000..9a551c6e4
--- /dev/null
+++ b/1016/CH1/EX1.8/ex1_8.sce
@@ -0,0 +1,14 @@
+clc;clear;
+//Example 1.8
+
+//given values
+Q=3.2*10^-19;//charge on alpha-particle in C
+m=6.68*10^-27;//mass on alpha-particle in kg
+B=1.5;//transverse magnetic field of flux density in Wb/(m^2)
+v=5*10^6;//velocity of alpha-particle in m/s
+
+//Calculation
+F=B*Q*v;//
+disp(F,'The force(in N) on particle is');
+R=m*v/(Q*B);//
+disp(R,'The radius(in m) of its circular path')
+\ No newline at end of file