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-rw-r--r--3869/CH7/EX7.1/Ex7_1.sce19
-rw-r--r--3869/CH7/EX7.10/Ex7_10.sce19
-rw-r--r--3869/CH7/EX7.11/Ex7_11.sce19
-rw-r--r--3869/CH7/EX7.12/Ex7_12.sce19
-rw-r--r--3869/CH7/EX7.13/Ex7_13.sce15
-rw-r--r--3869/CH7/EX7.14/Ex7_14.sce20
-rw-r--r--3869/CH7/EX7.15/Ex7_15.sce19
-rw-r--r--3869/CH7/EX7.17/Ex7_17.sce33
-rw-r--r--3869/CH7/EX7.18/Ex7_18.sce19
-rw-r--r--3869/CH7/EX7.19/Ex7_19.sce16
-rw-r--r--3869/CH7/EX7.2/Ex7_2.sce22
-rw-r--r--3869/CH7/EX7.3/Ex7_3.sce15
-rw-r--r--3869/CH7/EX7.4/Ex7_4.sce20
-rw-r--r--3869/CH7/EX7.5/Ex7_5.sce20
-rw-r--r--3869/CH7/EX7.6/Ex7_6.sce19
-rw-r--r--3869/CH7/EX7.7/Ex7_7.sce17
-rw-r--r--3869/CH7/EX7.8/Ex7_8.sce14
-rw-r--r--3869/CH7/EX7.9/Ex7_9.sce19
18 files changed, 344 insertions, 0 deletions
diff --git a/3869/CH7/EX7.1/Ex7_1.sce b/3869/CH7/EX7.1/Ex7_1.sce
new file mode 100644
index 000000000..e1f5b9ca0
--- /dev/null
+++ b/3869/CH7/EX7.1/Ex7_1.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+n=1 //order
+theta=32*%pi/180 //glancing angle(radian)
+lamda=1.54 //wavelength(angstrom)
+h=2
+k=2
+l=0
+
+//Calculation
+d=n*lamda/(2*sin(theta)) //lattice parameter(angstrom)
+a=d*sqrt(h**2+k**2+l**2) //cube edge of unit cell(angstrom)
+
+//Result
+printf("\n cube edge of unit cell is %0.1f angstrom",a)
diff --git a/3869/CH7/EX7.10/Ex7_10.sce b/3869/CH7/EX7.10/Ex7_10.sce
new file mode 100644
index 000000000..f5c46d8bf
--- /dev/null
+++ b/3869/CH7/EX7.10/Ex7_10.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+h=1
+k=1
+l=0
+lamda=0.065 //wavelength(nm)
+n=2 //order
+a=0.26 //axial length(nm)
+
+//Calculation
+x=n*lamda*sqrt(h**2+k**2+l**2)/(2*a)
+theta=asin(x)*180/%pi //glancing angle(degrees)
+
+//Result
+printf("\n glancing angle is %0.1f degrees",theta)
diff --git a/3869/CH7/EX7.11/Ex7_11.sce b/3869/CH7/EX7.11/Ex7_11.sce
new file mode 100644
index 000000000..57250e6c2
--- /dev/null
+++ b/3869/CH7/EX7.11/Ex7_11.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+h=1
+k=1
+l=1
+lamda=1.54 //wavelength(angstrom)
+n=1 //order
+theta=19.2*%pi/180 //glancing angle(radian)
+
+//Calculation
+d=n*lamda/(2*sin(theta))
+a=d*sqrt(h**2+k**2+l**2) //cube edge of unit cell(angstrom)
+
+//Result
+printf("\n cube edge of unit cell is %0.3f angstrom",a)
diff --git a/3869/CH7/EX7.12/Ex7_12.sce b/3869/CH7/EX7.12/Ex7_12.sce
new file mode 100644
index 000000000..f9fa25671
--- /dev/null
+++ b/3869/CH7/EX7.12/Ex7_12.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=1.54*10**-10 //wavelength(m)
+n=1 //order
+theta=19.2*%pi/180 //glancing angle(radian)
+h=1
+k=1
+l=1
+
+//Calculation
+d=n*lamda/(2*sin(theta))
+a=d*sqrt(h**2+k**2+l**2) //cube edge of unit cell(m)
+
+//Result
+printf("\n cube edge of unit cell is %0.3f *10**-10 m",a*10**10)
diff --git a/3869/CH7/EX7.13/Ex7_13.sce b/3869/CH7/EX7.13/Ex7_13.sce
new file mode 100644
index 000000000..73b727976
--- /dev/null
+++ b/3869/CH7/EX7.13/Ex7_13.sce
@@ -0,0 +1,15 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=0.12 //wavelength(nm)
+n=2 //order
+theta=28*%pi/180 //glancing angle(radian)
+
+//Calculation
+d=n*lamda/(2*sin(theta)) //interplanar spacing(nm)
+
+//Result
+printf("\n interplanar spacing is %0.2f nm",d)
diff --git a/3869/CH7/EX7.14/Ex7_14.sce b/3869/CH7/EX7.14/Ex7_14.sce
new file mode 100644
index 000000000..2b5467669
--- /dev/null
+++ b/3869/CH7/EX7.14/Ex7_14.sce
@@ -0,0 +1,20 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=97 //wavelength(pm)
+n1=1 //order
+n2=3 //order
+theta1=23*%pi/180 //glancing angle(radian)
+theta2=60*%pi/180 //glancing angle(radian)
+
+//Calculation
+lamda1=n2*lamda*sin(theta1)/(n1*sin(theta2)) //wavelength(pm)
+d=n2*lamda/(2*sin(theta2)) //interplanar spacing(pm)
+
+//Result
+printf("\n wavelength is %0.1f pm",lamda1)
+printf("\n interplanar spacing is %0.0f pm",d)
+printf("\n answer for wavelength given in the book varies due to rounding off errors")
diff --git a/3869/CH7/EX7.15/Ex7_15.sce b/3869/CH7/EX7.15/Ex7_15.sce
new file mode 100644
index 000000000..66bb99e34
--- /dev/null
+++ b/3869/CH7/EX7.15/Ex7_15.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+theta=45*%pi/180 //glancing angle(radian)
+d=275 //interplanar spacing(pm)
+n1=3
+n2=4
+
+//Calculation
+lamda=2*d*sin(theta) //wavelength(pm)
+lamda1=lamda/n1 //wavelength for n=3
+lamda2=lamda/n2 //wavelength for n=4
+
+//Result
+printf("\n wavelength for n=3 is %0.0f pm and for n=4 is %0.2f pm",lamda1,lamda2)
+printf("\n answer for wavelength for n=4 given in the book varies due to rounding off errors")
diff --git a/3869/CH7/EX7.17/Ex7_17.sce b/3869/CH7/EX7.17/Ex7_17.sce
new file mode 100644
index 000000000..3e414933f
--- /dev/null
+++ b/3869/CH7/EX7.17/Ex7_17.sce
@@ -0,0 +1,33 @@
+clear
+//
+//
+//
+
+//Variable declaration
+theta1=(30+(0/60))*%pi/180 //glancing angle(radian)
+theta2=(35+(17/60))*%pi/180 //glancing angle(radian)
+lamda=0.171 //wavelength(nm)
+h1=1
+k1=1
+l1=0
+h2=2
+k2=0
+l2=0
+h3=1
+k3=1
+l3=1
+
+//Calculation
+d100=lamda/(2*sin(theta1)) //wavelength(nm)
+d200=lamda/(2*sin(theta2)) //wavelength(nm)
+a1=d100*sqrt(h1**2+k1**2+l1**2)
+a2=d200*sqrt(h2**2+k2**2+l2**2) //lattice parameter in case of bcc
+a3=d100*sqrt(h3**2+k3**2+l3**2)
+a4=d200*sqrt(h2**2+k2**2+l2**2) //lattice parameter in case of bcc
+d=a3/sqrt(2) //atomic diameter(nm)
+
+//Result
+printf("\n lattice parameter in case of bcc are %0.3f nm and %0.3f nm which are not the same. hence the metal is not bcc",a1,a2)
+printf("\n lattice parameter in case of fcc are %0.3f nm and %0.3f nm which are the same. hence the metal is fcc",a3,a4)
+printf("\n atomic diameter is %0.5f nm",d)
+printf("\n answer for atomic diameter given in the book varies due to rounding off errors")
diff --git a/3869/CH7/EX7.18/Ex7_18.sce b/3869/CH7/EX7.18/Ex7_18.sce
new file mode 100644
index 000000000..fb13c7c51
--- /dev/null
+++ b/3869/CH7/EX7.18/Ex7_18.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+d=0.282*10**-9 //lattice spacing(m)
+theta=(8+(35/60))*%pi/180 //glancing angle(radian)
+maxtheta=90*%pi/180
+n=1 //order
+
+//Calculation
+lamda=2*d*sin(theta)/n //wavelength of x-rays(m)
+N=2*d*sin(maxtheta)/lamda //maximum order of diffraction
+
+//Result
+printf("\n wavelength of x-rays is %0.3f angstrom",lamda*10**10)
+printf("\n maximum order of diffraction is %0.3f ",N)
+printf("\n answer for wavelength of x-rays given in the book is wrong")
diff --git a/3869/CH7/EX7.19/Ex7_19.sce b/3869/CH7/EX7.19/Ex7_19.sce
new file mode 100644
index 000000000..bf2bde768
--- /dev/null
+++ b/3869/CH7/EX7.19/Ex7_19.sce
@@ -0,0 +1,16 @@
+clear
+//
+//
+//
+
+//Variable declaration
+d=3.04*10**-10 //lattice spacing(m)
+lamda=0.79*10**-10 //wavelength(m)
+n=3 //order
+
+//Calculation
+x=n*lamda/(2*d)
+theta=asin(x)*180/%pi //glancing angle(degrees)
+
+//Result
+printf("\n glancing angle is %0.3f degrees",theta)
diff --git a/3869/CH7/EX7.2/Ex7_2.sce b/3869/CH7/EX7.2/Ex7_2.sce
new file mode 100644
index 000000000..04025cc57
--- /dev/null
+++ b/3869/CH7/EX7.2/Ex7_2.sce
@@ -0,0 +1,22 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=0.58 //wavelength(angstrom)
+theta1=6.45*%pi/180 //glancing angle(radian)
+theta2=9.15*%pi/180 //glancing angle(radian)
+theta3=13*%pi/180 //glancing angle(radian)
+n=1 //order
+
+//Calculation
+d1=lamda/(2*sin(theta1)) //interplanar spacing at 1st angle(angstrom)
+d2=lamda/(2*sin(theta2)) //interplanar spacing at 2nd angle(angstrom)
+d3=lamda/(2*sin(theta3)) //interplanar spacing at 3rd angle(angstrom)
+
+//Result
+printf("\n interplanar spacing at 1st angle is %0.3f angstrom",d1)
+printf("\n interplanar spacing at 2nd angle is %0.3f angstrom",d2)
+printf("\n interplanar spacing at 3rd angle is %0.3f angstrom",d3)
+printf("\n answers given in the book are wrong")
diff --git a/3869/CH7/EX7.3/Ex7_3.sce b/3869/CH7/EX7.3/Ex7_3.sce
new file mode 100644
index 000000000..3fbdfa483
--- /dev/null
+++ b/3869/CH7/EX7.3/Ex7_3.sce
@@ -0,0 +1,15 @@
+clear
+//
+//
+//
+
+//Variable declaration
+d=1.181 //lattice spacing(angstrom)
+theta=90*%pi/180 //glancing angle(radian)
+lamda=1.540 //wavelength of X-rays(angstrom)
+
+//Calculation
+n=2*d*sin(theta)/lamda //order of diffraction
+
+//Result
+printf("\n order of diffraction is %0.3f ",n)
diff --git a/3869/CH7/EX7.4/Ex7_4.sce b/3869/CH7/EX7.4/Ex7_4.sce
new file mode 100644
index 000000000..8f491652c
--- /dev/null
+++ b/3869/CH7/EX7.4/Ex7_4.sce
@@ -0,0 +1,20 @@
+clear
+//
+//
+//
+
+//Variable declaration
+theta=9.5*%pi/180 //glancing angle(radian)
+lamda=0.58 //wavelength of X-rays(angstrom)
+n=1 //order
+h=2
+k=0
+l=0
+
+//Calculation
+d=n*lamda/(2*sin(theta))
+a=d*sqrt(h**2+k**2+l**2) //lattice parameter(angstrom)
+
+//Result
+printf("\n lattice parameter is %0.3f angstrom",a)
+printf("\n answer given in the book varies due to rounding off errors")
diff --git a/3869/CH7/EX7.5/Ex7_5.sce b/3869/CH7/EX7.5/Ex7_5.sce
new file mode 100644
index 000000000..325da08f4
--- /dev/null
+++ b/3869/CH7/EX7.5/Ex7_5.sce
@@ -0,0 +1,20 @@
+clear
+//
+//
+//
+
+//Variable declaration
+theta1=(8+(35/60))*%pi/180 //glancing angle(radian)
+lamda=0.842 //wavelength of X-rays(angstrom)
+n1=1 //order
+n2=3 //order
+
+//Calculation
+x=n2*lamda*sin(theta1)/(n1*lamda)
+theta2=asin(x)*180/%pi //glancing angle
+theta2d=int(theta2) //glancing angle(degrees)
+theta2m=(theta2-theta2d)*60 //glancing angle(minutes)
+
+//Result
+printf("\n glancing angle is %0.3f degrees %0.3f minutes",theta2d,theta2m)
+printf("\n answer for glancing angle in minutes given in the book is wrong")
diff --git a/3869/CH7/EX7.6/Ex7_6.sce b/3869/CH7/EX7.6/Ex7_6.sce
new file mode 100644
index 000000000..31aa00dbe
--- /dev/null
+++ b/3869/CH7/EX7.6/Ex7_6.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+a=3.16 //lattice parameter(angstrom)
+theta=20.3*%pi/180 //glancing angle(radian)
+lamda=1.54 //wavelength of X-rays(angstrom)
+n=1 //order
+
+//Calculation
+d=n*lamda/(2*sin(theta)) //interplanar spacing(angstrom)
+x=(a/d)**2
+
+//Result
+printf("\n interplanar spacing is %0.2f angstrom",d)
+printf("\n answer for interplanar spacing given in the book is wrong")
+printf("\n value of h**2+k**2+l**2 is %0.0f . hence the miller indices could be (110) (011) or (101)",x)
diff --git a/3869/CH7/EX7.7/Ex7_7.sce b/3869/CH7/EX7.7/Ex7_7.sce
new file mode 100644
index 000000000..44fa0aea4
--- /dev/null
+++ b/3869/CH7/EX7.7/Ex7_7.sce
@@ -0,0 +1,17 @@
+clear
+//
+//
+//
+
+//Variable declaration
+d=0.282 //lattice spacing(nm)
+theta=(8+(35/60))*%pi/180 //glancing angle(radian)
+n=1 //order
+
+//Calculation
+lamda=2*d*sin(theta)/n //wavelength(nm)
+N=2*d/lamda //maximum order of diffraction
+
+//Result
+printf("\n wavelength is %0.3f nm",lamda)
+printf("\n maximum order of diffraction is %0.3f ",N)
diff --git a/3869/CH7/EX7.8/Ex7_8.sce b/3869/CH7/EX7.8/Ex7_8.sce
new file mode 100644
index 000000000..29633b67f
--- /dev/null
+++ b/3869/CH7/EX7.8/Ex7_8.sce
@@ -0,0 +1,14 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=1.5 //wavelength(AU)
+d=1.6 //lattice spacing(AU)
+
+//Calculation
+n=2*d/lamda //maximum order of diffraction
+
+//Result
+printf("\n maximum order of diffraction is %0.3f ",n)
diff --git a/3869/CH7/EX7.9/Ex7_9.sce b/3869/CH7/EX7.9/Ex7_9.sce
new file mode 100644
index 000000000..a1e724e88
--- /dev/null
+++ b/3869/CH7/EX7.9/Ex7_9.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+theta=30*%pi/180 //glancing angle(radian)
+h=1
+k=1
+l=1
+lamda=1.5418 //wavelength(angstrom)
+n=1 //order
+
+//Calculation
+d=n*lamda/(2*sin(theta)) //interplanar spacing(angstrom)
+a=d*sqrt((h**2)+(k**2)+(l**2)) //interatomic spacing(angstrom)
+
+//Result
+printf("\n interatomic spacing is %0.2f angstrom",a)
generated by cgit (git 2.34.1) at 2024-12-19 14:48:47 +0000