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-rw-r--r--3523/CH3/EX3.7.1/Ex3_1.sce12
-rw-r--r--3523/CH3/EX3.7.10/Ex3_10.sce18
-rw-r--r--3523/CH3/EX3.7.11/Ex3_11.sce10
-rw-r--r--3523/CH3/EX3.7.12/Ex3_12.sce10
-rw-r--r--3523/CH3/EX3.7.14/Ex3_14.sce16
-rw-r--r--3523/CH3/EX3.7.15/Ex3_15.sce13
-rw-r--r--3523/CH3/EX3.7.17/Ex3_17.sce15
-rw-r--r--3523/CH3/EX3.7.18/Ex3_18.sce16
-rw-r--r--3523/CH3/EX3.7.19/Ex3_19.sce12
-rw-r--r--3523/CH3/EX3.7.2/Ex3_2.sce17
-rw-r--r--3523/CH3/EX3.7.3/Ex3_3.sce16
-rw-r--r--3523/CH3/EX3.7.4/Ex3_4.sce10
-rw-r--r--3523/CH3/EX3.7.5/Ex3_5.sce12
-rw-r--r--3523/CH3/EX3.7.6/Ex3_6.sce12
-rw-r--r--3523/CH3/EX3.7.7/Ex3_7.sce9
-rw-r--r--3523/CH3/EX3.7.8/Ex3_8.sce10
-rw-r--r--3523/CH3/EX3.7.9/Ex3_9.sce13
17 files changed, 221 insertions, 0 deletions
diff --git a/3523/CH3/EX3.7.1/Ex3_1.sce b/3523/CH3/EX3.7.1/Ex3_1.sce
new file mode 100644
index 000000000..99ef09c22
--- /dev/null
+++ b/3523/CH3/EX3.7.1/Ex3_1.sce
@@ -0,0 +1,12 @@
+// Example 1// Ch 3
+clc;
+clear;
+close;
+// given data
+R=8314; // gas constant in J/kg.mol.K
+T=300; // temperature 27 deg C, 27+293=300K
+M=32; // oxygen is diatomic
+v = sqrt(3*R*(T/M));
+printf("speed of oxygen molecule %f m/s",v)
+// Note: Value of R is given wrong in book
+// So answer in the book is wrong
diff --git a/3523/CH3/EX3.7.10/Ex3_10.sce b/3523/CH3/EX3.7.10/Ex3_10.sce
new file mode 100644
index 000000000..4f323cc75
--- /dev/null
+++ b/3523/CH3/EX3.7.10/Ex3_10.sce
@@ -0,0 +1,18 @@
+//Example 10// Ch 3
+clc;
+clear;
+close;
+// given data
+l=200*10^-10;// wavelength in angstrom
+h=4.15*10^-15;//planks constant
+c=3*10^8;//speed of light
+me=9.11*10^-31;
+BE=13.6;//binding energy in eV
+PE=(h*c)/l;//in eV
+printf("photon enegy %f eV",PE)
+KE = PE-BE;//in eV
+printf("kinetic energy of photoelectron %f ev",KE)
+ve=sqrt((2*KE*1.6*10^-19)/me);
+printf("velosity of photoelectron %e m/s",ve)
+
+
diff --git a/3523/CH3/EX3.7.11/Ex3_11.sce b/3523/CH3/EX3.7.11/Ex3_11.sce
new file mode 100644
index 000000000..e8830f36a
--- /dev/null
+++ b/3523/CH3/EX3.7.11/Ex3_11.sce
@@ -0,0 +1,10 @@
+//Example 11// Ch 3
+clc;
+clear;
+close;
+// given data
+I = 1;
+I0 = 6;
+x=20;//in cm
+u = -(1/x)*log(I/I0);
+printf("absorption coefficient %f cm^-1",u)
diff --git a/3523/CH3/EX3.7.12/Ex3_12.sce b/3523/CH3/EX3.7.12/Ex3_12.sce
new file mode 100644
index 000000000..9890502cb
--- /dev/null
+++ b/3523/CH3/EX3.7.12/Ex3_12.sce
@@ -0,0 +1,10 @@
+//Example 12// Ch 3
+clc;
+clear;
+close;
+// given data
+c=3*10^8;
+h=4.15*10^-15;
+lmax=1000*10^-10;
+We=(c*h)/lmax;
+printf("binding energy of gas %f eV",We)
diff --git a/3523/CH3/EX3.7.14/Ex3_14.sce b/3523/CH3/EX3.7.14/Ex3_14.sce
new file mode 100644
index 000000000..5e6198019
--- /dev/null
+++ b/3523/CH3/EX3.7.14/Ex3_14.sce
@@ -0,0 +1,16 @@
+//Example 14// Ch 3
+clc;
+clear;
+close;
+// given data
+p=1.01*10^5/760;// 1 torr in N/m2
+k=1.38*10^-23;
+T=273; //in Kelvin
+n=85*10^2;//no of collisions per meter
+N=p/(k*T);
+printf("no of gas molecules %e atoms/m^3",N)
+r_a=sqrt(n/(%pi*N*1));
+printf("diameter of argon atom %e m",r_a)
+
+
+
diff --git a/3523/CH3/EX3.7.15/Ex3_15.sce b/3523/CH3/EX3.7.15/Ex3_15.sce
new file mode 100644
index 000000000..384adafc0
--- /dev/null
+++ b/3523/CH3/EX3.7.15/Ex3_15.sce
@@ -0,0 +1,13 @@
+//Example 15// Ch 3
+clc;
+clear;
+close;
+// given data
+Ie=3;//current flow in amperes
+A=8*10^-4;//area of the electrodes in m^2
+V=20;//voltage across the electrodes
+d=0.8;//spacing between the electrodes in meters
+n_e=1*10^17;//electron density in m^-3
+e=1.6*10^-19;
+ke=(Ie*d)/(A*V*n_e*e);
+printf("mobility of electrons %f m^2/sV",ke)
diff --git a/3523/CH3/EX3.7.17/Ex3_17.sce b/3523/CH3/EX3.7.17/Ex3_17.sce
new file mode 100644
index 000000000..07a506577
--- /dev/null
+++ b/3523/CH3/EX3.7.17/Ex3_17.sce
@@ -0,0 +1,15 @@
+//Example 17// Ch 3
+clc;
+clear;
+close;
+// given data
+E = 5; //electric field in V/m
+n_o = 10^11; //ion density in ions/m3
+T = 293; // in kelvin
+z = 0.02; //distance in meters
+e = 1.6*10^-19; //in couloumb
+k = 1.38*10^-23; // in m2 kg s-2 K-1
+n1 = n_o*exp((-e*E*z)/(k*T));//ion density 0.02m away
+n2 = n_o*exp((e*E*z)/(k*T));//ion density -0.02m away
+printf("ion density 0.02m away %e ions/m^3 \n",n1)
+printf("ion density -0.02m away %e ions/m^3 \n",n2)
diff --git a/3523/CH3/EX3.7.18/Ex3_18.sce b/3523/CH3/EX3.7.18/Ex3_18.sce
new file mode 100644
index 000000000..3af5b30d4
--- /dev/null
+++ b/3523/CH3/EX3.7.18/Ex3_18.sce
@@ -0,0 +1,16 @@
+//Example 18// Ch 3
+clc;
+clear;
+close;
+// given data
+E = 250; //electric field in V/m
+r1 = 0.3*10^-3//intial diameter of cloud in meters
+k = 1.38*10^-23;//in m2 kg s-2 K-1
+T = 293; //in kelvin
+e = 1.6*10^-19;// in couloumb
+z = 0.05;//drift distance in meters
+r = (6*k*T*z)/(e*E);//diameter before drift
+printf("diameter before drift %e m \n",r)
+r2 = sqrt (r1^2 + r );//diamter after drifting a distance
+printf("diameter after drift %e m \n",r2)
+// round off value calculated for r and r2
diff --git a/3523/CH3/EX3.7.19/Ex3_19.sce b/3523/CH3/EX3.7.19/Ex3_19.sce
new file mode 100644
index 000000000..18960a5b7
--- /dev/null
+++ b/3523/CH3/EX3.7.19/Ex3_19.sce
@@ -0,0 +1,12 @@
+//Example 19// Ch 3
+clc;
+clear;
+close;
+// given data
+a = 9003;//constant in m-1kPa-1
+B = 256584;//in V/m.kPa
+p = 0.5;//in kPa
+M = 1/(a*p);//mean free path in meters
+printf("mean free path of electron in nitrogen %e m",M)
+Vi = B/a; //ionization potential of nitrogen
+printf("ionization potential of nitrogen %f V",Vi)
diff --git a/3523/CH3/EX3.7.2/Ex3_2.sce b/3523/CH3/EX3.7.2/Ex3_2.sce
new file mode 100644
index 000000000..6438a0b9d
--- /dev/null
+++ b/3523/CH3/EX3.7.2/Ex3_2.sce
@@ -0,0 +1,17 @@
+// Example 2// Ch 3
+clc;
+clear;
+close;
+// given data
+R=8314; // gas constant in J/kg.mol.K
+T=298;//in kelvin
+M=32; // oxygen is diatomic
+m=2*10^-3; // in kg
+p=1.01*10^5; // 1 atm=1.01*10^5 N/m2
+G = (m*R*T)/(M*p);//volume of gas
+
+x=(3/2)*p;//no. of molecules per unit volume where x=N*0.5*m*v^2 is given as (3/2)*p)
+printf("volume of gas %e m^3 \n",G)
+KE = x*G;//total translational kinetic energy
+printf("total translational kinetic energy is %f J \n",KE)
+// Note: Value of G is calculated in book is wrong
diff --git a/3523/CH3/EX3.7.3/Ex3_3.sce b/3523/CH3/EX3.7.3/Ex3_3.sce
new file mode 100644
index 000000000..287151af2
--- /dev/null
+++ b/3523/CH3/EX3.7.3/Ex3_3.sce
@@ -0,0 +1,16 @@
+// Example 3// Ch 3
+clc;
+clear;
+close;
+// given data
+R=8314; // gas constant in J/kg.mol.K
+T=300; // temperature 27 deg C, 27+293=300K
+me=0.10; //mean free path in meters
+rm=1.7*10^-10 //molecular radius in angstrom
+M=28 //im mole^-1
+m0=4.8*10^-26 //mass of nitrogen molecule
+N = 1/[4*%pi*((rm)^2)*me]; // no. of molecules in gas
+printf("no. of molecules %e",N)
+p = [(N*m0)/M]*R*T; // max pressure in chamber in N/m2
+printf("max pressure in chamber %f N/m2",p)
+// Note: Calculation in the book is wrong So answer in the book is wrong
diff --git a/3523/CH3/EX3.7.4/Ex3_4.sce b/3523/CH3/EX3.7.4/Ex3_4.sce
new file mode 100644
index 000000000..0e20dd028
--- /dev/null
+++ b/3523/CH3/EX3.7.4/Ex3_4.sce
@@ -0,0 +1,10 @@
+// Example 4// Ch 3
+clc;
+clear;
+close;
+// given data
+v = 1.6*10^-19; // avg kinetic energy in j
+k = 1.38*10^-23 //boltzmann constant in J/K
+T = (2*v)/(3*k);
+printf("temperature %e K",T)
+
diff --git a/3523/CH3/EX3.7.5/Ex3_5.sce b/3523/CH3/EX3.7.5/Ex3_5.sce
new file mode 100644
index 000000000..c2e6edcd1
--- /dev/null
+++ b/3523/CH3/EX3.7.5/Ex3_5.sce
@@ -0,0 +1,12 @@
+// Example 6// Ch 3
+clc;
+clear;
+close;
+// given data
+m = 1;//in kg
+M=2.016;//molecular weight of helium
+k = 8314// gas constant in J/kg.mol.K
+p = 1.01*10^5;//1 atm=1.01*10^5 N/m2
+T = 273;//in kelvin
+G = m*k*T/(M*p);//volume of 1kg of helium in m^3
+printf("volume of 1kg of helium is %f m^3",G)
diff --git a/3523/CH3/EX3.7.6/Ex3_6.sce b/3523/CH3/EX3.7.6/Ex3_6.sce
new file mode 100644
index 000000000..54e34d33f
--- /dev/null
+++ b/3523/CH3/EX3.7.6/Ex3_6.sce
@@ -0,0 +1,12 @@
+// Example 6// Ch 3
+clc;
+clear;
+close;
+// given data
+z1=-1;//ion at a distance equal to mean free path, -x=mfp
+z2=-5;//ion at a distance equal to five times the mean free path, -x=5mfp
+//n0 is the density of ions at the origin
+n1 = exp(z1);//density of ions at distance equal to the mean free path
+n2 = exp(z2);//density of ions at distance equal to five times the mean free path
+printf("density of ions at distance equal to the mean free path %fn0",n1)
+printf("density of ions at distance equal to five times the mean free path %fn0",n2)
diff --git a/3523/CH3/EX3.7.7/Ex3_7.sce b/3523/CH3/EX3.7.7/Ex3_7.sce
new file mode 100644
index 000000000..b4fb82dc1
--- /dev/null
+++ b/3523/CH3/EX3.7.7/Ex3_7.sce
@@ -0,0 +1,9 @@
+// Example 7// Ch 3
+clc;
+clear;
+close;
+// given data
+N = 178*10^-3 //gas density in kg/m^3
+p = 1.01*10^5 //pressure
+v = sqrt((3*p)/N); //mean square velosity of helium atoms
+printf("mean square velosity of helium atoms %f m/s",v)
diff --git a/3523/CH3/EX3.7.8/Ex3_8.sce b/3523/CH3/EX3.7.8/Ex3_8.sce
new file mode 100644
index 000000000..414cc4249
--- /dev/null
+++ b/3523/CH3/EX3.7.8/Ex3_8.sce
@@ -0,0 +1,10 @@
+//Example 8// Ch 3
+clc;
+clear;
+close;
+// given data
+k = 1.38*10^-21; //boltzmanns constant
+T = 293; // temperature in K
+e = 1.6*10^-19;
+E = (1.5*k*T)/e;
+printf("energy of free electron %f eV",E)
diff --git a/3523/CH3/EX3.7.9/Ex3_9.sce b/3523/CH3/EX3.7.9/Ex3_9.sce
new file mode 100644
index 000000000..7a6cc6279
--- /dev/null
+++ b/3523/CH3/EX3.7.9/Ex3_9.sce
@@ -0,0 +1,13 @@
+//Example 9// Ch 3
+clc;
+clear;
+close;
+// given data
+d = 0.075; //density of solid atomic hydrogen in g/cm^3
+N_A = 6.0224*10^23; //1g of H consists of N_A atoms
+N = N_A*d; // number of atoms/cm^3
+printf("no. of atoms/cm^3 %e",N)
+x = 1/N;//avg volume occupied by one atom in cm^3
+y = (x)^(1/3);//avg seperation between atoms in cm
+printf("avg vokume occupied by one atom %e cm^3",x)
+printf("avg seperation between atoms %e cm",y)
generated by cgit (git 2.34.1) at 2024-12-22 09:43:04 +0000