initial commit / add all books

5 files changed, 83 insertions, 0 deletions

diff --git a/1730/CH1/EX1.3/Exa1_3.sce b/1730/CH1/EX1.3/Exa1_3.sce
new file mode 100755
index 000000000..437f0cc3d
--- /dev/null
+++ b/1730/CH1/EX1.3/Exa1_3.sce
@@ -0,0 +1,24 @@
+//Exa3

+clc;

+clear;

+close;

+//given data

+//atomic radius

+r=1.278; //in Angstrum

+//atomic weight

+aw=63.5;

+//Avogadro's number

+an=6.023*10^23;

+//copper has FCC structure for which

+a=(4*r)/sqrt(2);// in Angstrum

+a=a*10^-10;//in m

+//Mass of one atom 

+m=aw/an;//in gm

+m=m*10^-3;//in kg

+//volume of one unit cell of copper crystal,

+V=a^3;//in meter cube

+//Number of atoms present in one unit cell of Cu(FCC Structure),

+n=4;

+//Density of crystal

+rho=(m*n)/V;//in kg/m^3

+disp("Density of crystal is : "+string(rho)+"kg/m^3");

diff --git a/1730/CH1/EX1.4/Exa1_4.sce b/1730/CH1/EX1.4/Exa1_4.sce
new file mode 100755
index 000000000..9f06859a4
--- /dev/null
+++ b/1730/CH1/EX1.4/Exa1_4.sce
@@ -0,0 +1,15 @@
+//Exa4

+clc;

+clear;

+close;

+//given data :

+//wavelength

+lamda=1.539; //in Angstrum

+//angle

+theta=22.5; // in degree

+n=1;//(first order)

+

+// Formula n*lamda=2*d*sin(theta) , so

+// interplaner distance,

+d=lamda/(2*sin(theta*%pi/180));

+disp("Interplaner distance is : "+string(d)+"  Angstrum")
\ No newline at end of file
diff --git a/1730/CH1/EX1.5/Exa1_5.sce b/1730/CH1/EX1.5/Exa1_5.sce
new file mode 100755
index 000000000..53d30672f
--- /dev/null
+++ b/1730/CH1/EX1.5/Exa1_5.sce
@@ -0,0 +1,12 @@
+//Exa5

+clc;

+clear;

+close;

+//given data :

+n=2;

+d=0.4;// in nenometer

+d=d*10^-9;// in meter

+theta=16.8/2;// in degree

+//using Bragg's equation we have n*lamda=2*d*sin(theta), so

+lamda=(2*d*sin(8.4*%pi/180))/n;

+disp("Wavelength of X-rays used is : "+string(lamda*10^10)+" Angstrum");
\ No newline at end of file
diff --git a/1730/CH1/EX1.6/Exa1_6.sce b/1730/CH1/EX1.6/Exa1_6.sce
new file mode 100755
index 000000000..b26bd2f81
--- /dev/null
+++ b/1730/CH1/EX1.6/Exa1_6.sce
@@ -0,0 +1,15 @@
+//Exa6

+clc;

+clear;

+close;

+//given data :

+a=3.15; //in Angstrum

+a=a*10^-10;//in meter

+//angle

+theta=20.2;//in degree

+n=1;//(first order)

+//for BCC crystal

+d110=a/sqrt(2);//in meter

+//Formula n*lamda=2*d*sin(theta)

+lamda=(2*d110*sin(theta*%pi/180))/n;//in meter

+disp("Wavelength is : "+string(lamda*10^10)+" Angstrum")
\ No newline at end of file
diff --git a/1730/CH1/EX1.7/Exa1_7.sce b/1730/CH1/EX1.7/Exa1_7.sce
new file mode 100755
index 000000000..2d731cb19
--- /dev/null
+++ b/1730/CH1/EX1.7/Exa1_7.sce
@@ -0,0 +1,17 @@
+//Exa7

+clc;

+clear;

+close;

+//given data :

+lambda=0.842; //in Angstrum

+lambda=lambda*10^-10; // in meter

+//theta=8degree 35minutes

+theta=8+35/60;//in degree

+n=1;//(first order)

+//Formula n*lamda=2*d*sin(theta)

+d=n*lambda/(2*sind(theta))

+//For third Order reflection :

+//Formula n*lamda=2*d*sin(theta)

+n=3;//order

+theta=asind(n*lambda/(2*d));

+disp(round(theta),"Angle of incidence for third order reflection in degree : ");
\ No newline at end of file