summaryrefslogtreecommitdiff
path: root/3665/CH6
diff options
context:
space:
mode:
Diffstat (limited to '3665/CH6')
-rw-r--r--3665/CH6/EX6.1/Ex6_1.sce14
-rw-r--r--3665/CH6/EX6.10/Ex6_10.sce21
-rw-r--r--3665/CH6/EX6.11/Ex6_11.sce16
-rw-r--r--3665/CH6/EX6.12/Ex6_12.sce12
-rw-r--r--3665/CH6/EX6.13/Ex6_13.sce16
-rw-r--r--3665/CH6/EX6.14/Ex6_14.sce16
-rw-r--r--3665/CH6/EX6.2/Ex6_2.sce12
-rw-r--r--3665/CH6/EX6.3/Ex6_3.sce14
-rw-r--r--3665/CH6/EX6.4/Ex6_4.sce12
-rw-r--r--3665/CH6/EX6.5/Ex6_5.sce13
-rw-r--r--3665/CH6/EX6.6/Ex6_6.sce15
-rw-r--r--3665/CH6/EX6.7/Ex6_7.sce23
-rw-r--r--3665/CH6/EX6.8/Ex6_8.sce14
-rw-r--r--3665/CH6/EX6.9/Ex6_9.sce17
14 files changed, 215 insertions, 0 deletions
diff --git a/3665/CH6/EX6.1/Ex6_1.sce b/3665/CH6/EX6.1/Ex6_1.sce
new file mode 100644
index 000000000..9804f1c2b
--- /dev/null
+++ b/3665/CH6/EX6.1/Ex6_1.sce
@@ -0,0 +1,14 @@
+clc//
+//
+//
+
+//Variable declaration
+c=3*10^8; //velocity of light(m/s)
+m=1.67*10^-27; //mass of proton(kg)
+h=6.626*10^-34; //planck's constant
+
+//Calculation
+lamda=h*10/(m*c); //de broglie wavelength(m)
+
+//Result
+printf("\n de broglie wavelength is %0.3f *10^-14 m",lamda*10^14)
diff --git a/3665/CH6/EX6.10/Ex6_10.sce b/3665/CH6/EX6.10/Ex6_10.sce
new file mode 100644
index 000000000..51cb8777f
--- /dev/null
+++ b/3665/CH6/EX6.10/Ex6_10.sce
@@ -0,0 +1,21 @@
+clc//
+//
+//
+
+//Variable declaration
+m=9.1*10^-31; //mass of electron(kg)
+h=6.626*10^-34; //planck's constant
+n1=1;
+n2=2;
+n3=3;
+L=1*10^-10; //side(m)
+
+//Calculation
+E1=n1^2*h^2/(8*m*L^2); //lowest energy of electron(joule)
+E2=n2^2*h^2/(8*m*L^2); //energy of electron in 1st state(joule)
+E3=n3^2*h^2/(8*m*L^2); //energy of electron in 2nd state(joule)
+
+//Result
+printf("\n lowest energy of electron is %0.4f *10^-17 joule",E1*10^17)
+printf("\n energy of electron in 1st state is %0.3f *10^-17 joule",E2*10^17)
+printf("\n energy of electron in 2nd state is %0.3f *10^-17 joule",E3*10^17)
diff --git a/3665/CH6/EX6.11/Ex6_11.sce b/3665/CH6/EX6.11/Ex6_11.sce
new file mode 100644
index 000000000..491d26b03
--- /dev/null
+++ b/3665/CH6/EX6.11/Ex6_11.sce
@@ -0,0 +1,16 @@
+clc//
+//
+//
+
+//Variable declaration
+m=9.1*10^-31; //mass of electron(kg)
+h=6.626*10^-34; //planck's constant
+lamda=1.66*10^-10; //wavelength(m)
+
+//Calculation
+v=h/(m*lamda); //velocity(m/s)
+KE=(1/2)*m*v^2; //kinetic energy(eV)
+
+//Result
+printf("\n velocity is %0.0f km/s",v/10^3)
+printf("\n kinetic energy is %0.2f eV",KE/(1.6*10^-19))
diff --git a/3665/CH6/EX6.12/Ex6_12.sce b/3665/CH6/EX6.12/Ex6_12.sce
new file mode 100644
index 000000000..ca9bf855d
--- /dev/null
+++ b/3665/CH6/EX6.12/Ex6_12.sce
@@ -0,0 +1,12 @@
+clc//
+//
+//
+
+//Variable declaration
+V=15000; //voltage(V)
+
+//Calculation
+lamda=12.26/sqrt(V); //de broglie wavelength(angstrom)
+
+//Result
+printf("\n de broglie wavelength is %0.1f angstrom",lamda)
diff --git a/3665/CH6/EX6.13/Ex6_13.sce b/3665/CH6/EX6.13/Ex6_13.sce
new file mode 100644
index 000000000..8de0c4df0
--- /dev/null
+++ b/3665/CH6/EX6.13/Ex6_13.sce
@@ -0,0 +1,16 @@
+clc//
+//
+//
+
+//Variable declaration
+V=344; //voltage(V)
+n=1;
+theta=60*%pi/180; //angle(radian)
+
+//Calculation
+lamda=(12.26/sqrt(V)); //de broglie wavelength(angstrom)
+
+d=n*lamda/(2*sin(theta)); //spacing of crystal(angstrom)
+
+//Result
+printf("\n spacing of crystal is %0.4f angstrom",d)
diff --git a/3665/CH6/EX6.14/Ex6_14.sce b/3665/CH6/EX6.14/Ex6_14.sce
new file mode 100644
index 000000000..884730ce9
--- /dev/null
+++ b/3665/CH6/EX6.14/Ex6_14.sce
@@ -0,0 +1,16 @@
+clc//
+//
+//
+
+//Variable declaration
+E=1.5*9.1*10^-31; //energy(joule)
+m=1.676*10^-27; //mass(kg)
+h=6.62*10^-34; //planck's constant
+
+//Calculation
+v=sqrt(2*E/m);
+lamda=h/(m*v); //wavelength(m)
+
+//Result
+printf("\n wavelength is %0.3f *10^-6 m",lamda*10^6)
+printf("\n answer varies due to rounding off errors")
diff --git a/3665/CH6/EX6.2/Ex6_2.sce b/3665/CH6/EX6.2/Ex6_2.sce
new file mode 100644
index 000000000..184026716
--- /dev/null
+++ b/3665/CH6/EX6.2/Ex6_2.sce
@@ -0,0 +1,12 @@
+clc//
+//
+//
+
+//Variable declaration
+V=400; //voltage(V)
+
+//Calculation
+lamda=12.26/sqrt(V); //de broglie wavelength(angstrom)
+
+//Result
+printf("\n de broglie wavelength is %0.3f angstrom",lamda)
diff --git a/3665/CH6/EX6.3/Ex6_3.sce b/3665/CH6/EX6.3/Ex6_3.sce
new file mode 100644
index 000000000..813a8ef70
--- /dev/null
+++ b/3665/CH6/EX6.3/Ex6_3.sce
@@ -0,0 +1,14 @@
+clc//
+//
+//
+
+//Variable declaration
+m=1.674*10^-27; //mass of proton(kg)
+h=6.626*10^-34; //planck's constant
+E=0.025*1.6*10^-19; //energy(J)
+
+//Calculation
+lamda=h/sqrt(2*m*E); //de broglie wavelength(m)
+
+//Result
+printf("\n de broglie wavelength is %0.3f nm",lamda*10^9)
diff --git a/3665/CH6/EX6.4/Ex6_4.sce b/3665/CH6/EX6.4/Ex6_4.sce
new file mode 100644
index 000000000..7d4080f9c
--- /dev/null
+++ b/3665/CH6/EX6.4/Ex6_4.sce
@@ -0,0 +1,12 @@
+clc//
+//
+//
+
+//Variable declaration
+V=1600; //voltage(V)
+
+//Calculation
+lamda=12.26/sqrt(V); //de broglie wavelength(angstrom)
+
+//Result
+printf("\n de broglie wavelength is %0.3f angstrom",lamda)
diff --git a/3665/CH6/EX6.5/Ex6_5.sce b/3665/CH6/EX6.5/Ex6_5.sce
new file mode 100644
index 000000000..7e141dcc8
--- /dev/null
+++ b/3665/CH6/EX6.5/Ex6_5.sce
@@ -0,0 +1,13 @@
+clc//
+//
+//
+
+//Variable declaration
+deltax=0.2*10^-10; //distance(m)
+h=6.626*10^-34; //planck's constant
+
+//Calculation
+deltap=h/(2*%pi*deltax); //uncertainity in momentum(kg m/s)
+
+//Result
+printf("\n uncertainity in momentum is %0.2f *10^-24 kg m/s",deltap*10^24)
diff --git a/3665/CH6/EX6.6/Ex6_6.sce b/3665/CH6/EX6.6/Ex6_6.sce
new file mode 100644
index 000000000..aa496449b
--- /dev/null
+++ b/3665/CH6/EX6.6/Ex6_6.sce
@@ -0,0 +1,15 @@
+clc//
+//
+//
+
+//Variable declaration
+n1=1;n2=1;n3=1;
+h=6.62*10^-34; //planck's constant
+m=9.1*10^-31; //mass(kg)
+L=0.1*10^-9; //side(m)
+
+//Calculation
+E1=h^2*(n1^2+n2^2+n3^2)/(8*m*1.6*10^-19*L^2); //lowest energy of electron(eV)
+
+//Result
+printf("\n lowest energy of electron is %0.1f eV",E1)
diff --git a/3665/CH6/EX6.7/Ex6_7.sce b/3665/CH6/EX6.7/Ex6_7.sce
new file mode 100644
index 000000000..122d7f642
--- /dev/null
+++ b/3665/CH6/EX6.7/Ex6_7.sce
@@ -0,0 +1,23 @@
+clc//
+//
+//
+
+//Variable declaration
+n1=1;n2=1;n3=1;
+h=6.62*10^-34; //planck's constant
+m=8.5*10^-31; //mass(kg)
+L=10^-11; //side(m)
+
+//Calculation
+E111=h^2*(n1^2+n2^2+n3^2)/(8*m*1.6*10^-19*L^2); //lowest energy of electron(eV)
+E112=6*h^2/(8*m*1.6*10^-19*L^2); //value of E112(eV)
+E121=E112; //value of E121(eV)
+E211=E112; //value of E211(eV)
+E122=9*h^2/(8*m*1.6*10^-19*L^2); //value of E122(eV)
+E212=E122; //value of E212(eV)
+E221=E122; //value of E221(eV)
+
+//Result
+printf("\n lowest energy of electron is %0.3f *10^4 eV",E111/10^4)
+printf("\n value of E112, E121, E211 is %0.4f *10^4 eV",E121/10^4)
+printf("\n value of E122, E212, E221 is %0.3f *10^4 eV",E122/10^4)
diff --git a/3665/CH6/EX6.8/Ex6_8.sce b/3665/CH6/EX6.8/Ex6_8.sce
new file mode 100644
index 000000000..eeb14a4c2
--- /dev/null
+++ b/3665/CH6/EX6.8/Ex6_8.sce
@@ -0,0 +1,14 @@
+clc//
+//
+//
+
+//Variable declaration
+m=9.1*10^-31; //mass of electron(kg)
+h=6.626*10^-34; //planck's constant
+E=2000*1.6*10^-19; //energy(J)
+
+//Calculation
+lamda=h/sqrt(2*m*E); //de broglie wavelength(m)
+
+//Result
+printf("\n de broglie wavelength is %0.4f nm",lamda*10^9)
diff --git a/3665/CH6/EX6.9/Ex6_9.sce b/3665/CH6/EX6.9/Ex6_9.sce
new file mode 100644
index 000000000..6f6d9d925
--- /dev/null
+++ b/3665/CH6/EX6.9/Ex6_9.sce
@@ -0,0 +1,17 @@
+clc//
+//
+//
+
+//Variable declaration
+m=9.1*10^-31; //mass of electron(kg)
+h=6.626*10^-34; //planck's constant
+n=1;
+L=4*10^-10; //side(m)
+
+//Calculation
+E1=n^2*h^2/(8*m*L^2); //lowest energy of electron(joule)
+
+
+//Result
+printf("\n lowest energy of electron is %0.3f *10^-18 joule",E1*10^18)
+printf("\n answer varies due to rounding off errors")
generated by cgit (git 2.34.1) at 2024-12-19 12:29:37 +0000