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-rw-r--r--1694/CH3/EX3.1/EX3_1.sce21
-rw-r--r--1694/CH3/EX3.13/EX3_13.sce23
-rw-r--r--1694/CH3/EX3.15/EX3_15.sce15
-rw-r--r--1694/CH3/EX3.17/EX3_17.sce13
-rw-r--r--1694/CH3/EX3.18/EX3_18.sce13
-rw-r--r--1694/CH3/EX3.19/EX3_19.sce11
-rw-r--r--1694/CH3/EX3.2/EX3_2.sce14
-rw-r--r--1694/CH3/EX3.20/EX3_20.sce18
-rw-r--r--1694/CH3/EX3.22/EX3_22.sce13
-rw-r--r--1694/CH3/EX3.3/EX3_3.sce12
-rw-r--r--1694/CH3/EX3.5/EX3_5.sce19
-rw-r--r--1694/CH3/EX3.7/EX3_7.sce16
-rw-r--r--1694/CH3/EX3.8/EX3_8.sce13
13 files changed, 201 insertions, 0 deletions
diff --git a/1694/CH3/EX3.1/EX3_1.sce b/1694/CH3/EX3.1/EX3_1.sce
new file mode 100644
index 000000000..a705933be
--- /dev/null
+++ b/1694/CH3/EX3.1/EX3_1.sce
@@ -0,0 +1,21 @@
+clear;
+clc;
+printf("\nEx3.1\n");
+//page no.-120
+//given
+h=6.63*10^-27;........//planck's constant
+l=10^-8;..............//length of each side of cube in m
+m=9.11*10^-20;.......//mass of electron
+
+p1=h*3^(0.5)/2*l..........//momentum on ground state in gm*cm/sec
+
+E1=(h^(2)*3)/(8*m*l^(2)).........//energy for ground state in ergs
+
+printf("\nmomentum & energy for ground state is 5.74*10^-19 gm*cm/sec and 113eV\n");
+
+//for first excited state quantum no. is 2
+p2=h*6^(0.5)/2*l.............//momentum on first excited state in gm*cm/sec
+
+E2=(h^(2)*6)/(8*m*l^(2))........//energy for first excited state in ergs
+
+printf("\nmomentum and energy for first excited state are 8.13*10^-19 gm*cm/sec and 362*10^-12 erg\n");
diff --git a/1694/CH3/EX3.13/EX3_13.sce b/1694/CH3/EX3.13/EX3_13.sce
new file mode 100644
index 000000000..f124c554d
--- /dev/null
+++ b/1694/CH3/EX3.13/EX3_13.sce
@@ -0,0 +1,23 @@
+clear;
+clc;
+printf("\nEx3.13\n");
+//page no.-130
+//given
+x=10^-14;......//diameter of nucleus in m
+h=6.626*10^-34;......//planck's constant in J-s
+m=1.67*10^-27;......//proton mass in kg
+e=1.6*10^-19;.......//charge in C
+c=3*10^8;...........//speed in m/sec
+
+p=h/(2*%pi*x).......//momentum in kg*m/s from uncertainty principle
+
+printf("\n minimum value of momentum is 1.055*10^-20 kg*m/s\n");
+
+E=p^2/(2*m*e).........//minimum kinetic energy in MeV
+
+printf("\nminimum K.E. is 0.23 Mev\n");
+
+r=m*c^2/e...........//rest mass energy of proton in MeV
+
+printf("\nrest mass energy is 942 MeV\n");
+printf("\nAS REST MASS IS VERY LARGE THAN K.E. SO,PRESENCE OF SUCH PROTONS IN NUCLEUS IS PERMITTED\n");
diff --git a/1694/CH3/EX3.15/EX3_15.sce b/1694/CH3/EX3.15/EX3_15.sce
new file mode 100644
index 000000000..937859c69
--- /dev/null
+++ b/1694/CH3/EX3.15/EX3_15.sce
@@ -0,0 +1,15 @@
+clear;
+clc;
+printf("\nEx3.15\n");
+//page no.-132
+//given
+v=10^-6;........//velocity in m/s
+m=10^-9;.......//mass in kg
+a=10^-4;.......//width in m
+h=6.62*10^-34;....//planck's constant in J-s
+
+E=(m*v^2)/2......//kinetic energy in joule
+
+n=sqrt((8*m*a^2*E)/h^2).........//quantum number
+
+printf("\nquantum number is 3*10^14\n");
diff --git a/1694/CH3/EX3.17/EX3_17.sce b/1694/CH3/EX3.17/EX3_17.sce
new file mode 100644
index 000000000..a5025e59a
--- /dev/null
+++ b/1694/CH3/EX3.17/EX3_17.sce
@@ -0,0 +1,13 @@
+clear;
+clc;
+printf("\nEx3.17\n");
+//page no.-133
+//given
+m=0.33*10^-26;.......//mass of hydrogen molecule in kg
+a=0.01;.............//width in m
+h=6.626*10^-34;.....//planck's constant in J-s
+e=1.6*10^-19;........//charge
+
+E=(5*h^2)/(8*m*a^2*e)..........//energy difference
+
+printf("\nenergy difference is 5.2*10^-18 eV\n");
diff --git a/1694/CH3/EX3.18/EX3_18.sce b/1694/CH3/EX3.18/EX3_18.sce
new file mode 100644
index 000000000..7e25bc33b
--- /dev/null
+++ b/1694/CH3/EX3.18/EX3_18.sce
@@ -0,0 +1,13 @@
+clear;
+clc;
+printf("\nEx3.18\n");
+//page no.-134
+//given
+n=5;................//quantum no.
+a=2*10^-10;.........//width of box in m
+E1=14.7*10^-19;.....//energy in joules
+h=6.625*10^-34;.....//planck's constant in J-s
+
+m=(h^2)/(8*E1*a^2)......//mass of particle in kg
+
+printf("\nmass of particle is 9.33*10^-31 kg");
diff --git a/1694/CH3/EX3.19/EX3_19.sce b/1694/CH3/EX3.19/EX3_19.sce
new file mode 100644
index 000000000..3ece1bacd
--- /dev/null
+++ b/1694/CH3/EX3.19/EX3_19.sce
@@ -0,0 +1,11 @@
+clear;
+clc;
+printf("\nEx3.19\n");
+//page no.-135
+//given
+m=9.1*10^-31;.......//mass of electron in kg
+a=4*10^-10;........//length in m
+
+E=(h^2)/(8*m*a^2)..........//lowest energy in joules
+
+printf("\nlowest energy is 0.376*10^-18 J\n");
diff --git a/1694/CH3/EX3.2/EX3_2.sce b/1694/CH3/EX3.2/EX3_2.sce
new file mode 100644
index 000000000..52e81e7fe
--- /dev/null
+++ b/1694/CH3/EX3.2/EX3_2.sce
@@ -0,0 +1,14 @@
+clear;
+clc;
+printf("\nEx3.2\n");
+//page no.-121
+//given
+m=9.11*10^-31;.......//mass of electron in kg
+h=6.63*10^-34;.......//planck's constant in J*s
+a=10^-10;............//width of box in m
+n=1;.................//quantum no. for least energy
+e=1.602*10^-19;........//charge
+
+E=(h^2)/8*m*a^2........//least energy in joules
+//to convert into eV divide by 1.6*10^-19
+printf("\nleast energy of particle is 5.68 joules");
diff --git a/1694/CH3/EX3.20/EX3_20.sce b/1694/CH3/EX3.20/EX3_20.sce
new file mode 100644
index 000000000..fb700dcea
--- /dev/null
+++ b/1694/CH3/EX3.20/EX3_20.sce
@@ -0,0 +1,18 @@
+clear;
+clc;
+printf("\nEx3.20\n");
+//page no.-135
+//given
+a=10^-10;........//width of box in m
+h=6.625*10^-34;....//planck's constant in J-s
+m=9.1*10^-31;......//mass of electron in kg
+n=2;..............//quantum no.
+e=1.6*10^-19;.....//charge
+
+p=n*h/2*a.........//momentum in Kg*m/s
+
+printf("\nmomentum is 6.625*10^-24 Kg*m/s\n");
+
+E=(n^2*h^2)/(8*m*a^2*e).....//energy in eV
+
+printf("\nenergy is 150.8 eV\n");
diff --git a/1694/CH3/EX3.22/EX3_22.sce b/1694/CH3/EX3.22/EX3_22.sce
new file mode 100644
index 000000000..41857a9c6
--- /dev/null
+++ b/1694/CH3/EX3.22/EX3_22.sce
@@ -0,0 +1,13 @@
+clear;
+clc;
+printf("\nEx3.22\n");
+//page no.-136
+//given
+m=10^-6;........//mass of particle
+v=10^-4;........//speed in m/s
+a=10^-7;........//length of box in m
+h=6.625*10^-34;...//planck's constant in J-s
+
+n=2*m*a*v/h.......//quantum no.
+
+printf("\nquantum number is 3*10^16\n");
diff --git a/1694/CH3/EX3.3/EX3_3.sce b/1694/CH3/EX3.3/EX3_3.sce
new file mode 100644
index 000000000..5f598288e
--- /dev/null
+++ b/1694/CH3/EX3.3/EX3_3.sce
@@ -0,0 +1,12 @@
+clear;
+clc;
+printf("\nEx3.3\n");
+//page no.-121
+//given
+h=6.62*10^-34;........//planck's constant in Js
+m=1.6*10^-27;........//mass of proton in kg
+l=10^-14;............//width of box in m
+
+E=(h^(2)*3)/(8*m*l^(2))............//energy of neutron
+
+printf("\nlowest energy of neutron is10.29*10^-23 J\n");
diff --git a/1694/CH3/EX3.5/EX3_5.sce b/1694/CH3/EX3.5/EX3_5.sce
new file mode 100644
index 000000000..6766bea20
--- /dev/null
+++ b/1694/CH3/EX3.5/EX3_5.sce
@@ -0,0 +1,19 @@
+clear;
+clc;
+printf("\nEx3.5\n");
+//page no.-122
+//given
+h=6.63*10^-34;........//planck's constant in Js
+m=9.11*10^-31;........//mass of electron in kg
+l=2.5*10^-10;............//width of box in m
+n1=2;...................//quantum no. for second lowest state
+n2=3;...................//quantum no. for third lowest state
+e=1.6*10^19;...........//charge
+
+E1=(h^2)/(8*m*l^2*e)..........//first lowest quantum energy
+
+E2=(n1^2)*E1.............//second lowest quantum energy
+
+E3=(n2^2)*E1............//third lowest quantum energy
+
+printf("\nlowest permissible quantum energies are 6 eV,24 eV, 54 eV\n");
diff --git a/1694/CH3/EX3.7/EX3_7.sce b/1694/CH3/EX3.7/EX3_7.sce
new file mode 100644
index 000000000..491eafeec
--- /dev/null
+++ b/1694/CH3/EX3.7/EX3_7.sce
@@ -0,0 +1,16 @@
+clear;
+clc;
+printf("\nEx3.7\n");
+//page no.-123
+//given
+l=10^-14;.......//width of box in m
+m=1.67*10^-27;...//proton mass in kg
+h=1.05*10^-34;....//plkanck's constant in J-s
+
+E1=(%pi^2*h^2)/(2*m*l^2)...........//energy of ground state in joule
+
+E2=(4*%pi^2*h^2)/(2*m*l^2)........//energy of first excited state in joule
+
+E=E2-E1.............//energy released in joule
+//to convert into eV divide by 1.6*10^-19
+printf("\nenergy released during transition is 6.2 MeV\n");
diff --git a/1694/CH3/EX3.8/EX3_8.sce b/1694/CH3/EX3.8/EX3_8.sce
new file mode 100644
index 000000000..d7a50e813
--- /dev/null
+++ b/1694/CH3/EX3.8/EX3_8.sce
@@ -0,0 +1,13 @@
+clear;
+clc;
+printf("\nEx3.8\n");
+//page no.-126
+//given
+n=5;................//quantum no.
+a=2*10^-10;.........//width of box in m
+E1=14.7*10^-19;.....//energy in joules
+h=6.625*10^-34;.....//planck's constant in J-s
+
+m=(h^2)/(8*E1*a^2)......//mass of particle in kg
+
+printf("\nmass of particle is 9.33*10^-31 kg");
generated by cgit (git 2.34.1) at 2024-12-22 17:03:28 +0000