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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3755/CH6 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3755/CH6')
36 files changed, 661 insertions, 0 deletions
diff --git a/3755/CH6/EX6.1/Ex6_1.sce b/3755/CH6/EX6.1/Ex6_1.sce new file mode 100644 index 000000000..8668c2724 --- /dev/null +++ b/3755/CH6/EX6.1/Ex6_1.sce @@ -0,0 +1,24 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.625*10^-34; //planck's constant(J-sec)
+m=0.05; //mass(kg)
+v=20; //velocity(m/sec)
+mp=1.67*10^-27; //mass of proton(kg)
+vp=2200; //velocity of proton(m/sec)
+me=9.11*10^-31; //mass of electron(kg)
+E=10*1.602*10^-19; //kinetic energy(J)
+
+//Calculations
+lamda_ball=h/(m*v); //de-broglie wavelength of ball(m)
+lamda_p=h*10^10/(mp*vp); //de-broglie wavelength of proton(angstrom)
+lamda_e=h/(2*me*E); //de-broglie wavelength of electron(m)
+
+//Result
+printf("\n de-broglie wavelength of ball is %e m",lamda_ball)
+printf("\n de-broglie wavelength of proton is %0.2f angstrom",lamda_p)
+printf("\n de-broglie wavelength of electron is %0.2f *10^14 m",lamda_e/10^14)
+printf("\n answer for de-broglie wavelength of electron in the book is wrong")
diff --git a/3755/CH6/EX6.10/Ex6_10.sce b/3755/CH6/EX6.10/Ex6_10.sce new file mode 100644 index 000000000..f200b33df --- /dev/null +++ b/3755/CH6/EX6.10/Ex6_10.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+c=3*10^8; //velocity of light(m/sec)
+lamda=0.82*10^-10; //wavelength(m)
+
+//Calculations
+E=h*c/lamda; //energy(J)
+lamda=h*10^10/sqrt(2*m*E); //wavelength of photo-electron(angstrom)
+
+//Result
+printf("\n wavelength of photo-electron is %0.1f angstrom",lamda)
diff --git a/3755/CH6/EX6.11/Ex6_11.sce b/3755/CH6/EX6.11/Ex6_11.sce new file mode 100644 index 000000000..0a964f060 --- /dev/null +++ b/3755/CH6/EX6.11/Ex6_11.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+c=3*10^8; //velocity of light(m/sec)
+
+//Calculations
+lamda=h*10^10/(m*c); //wavelength of electron(angstrom)
+
+//Result
+printf("\n wavelength of electron is %0.4f angstrom",lamda)
+printf("\n answer in the book varies due to rounding off errors")
diff --git a/3755/CH6/EX6.12/Ex6_12.sce b/3755/CH6/EX6.12/Ex6_12.sce new file mode 100644 index 000000000..f4a634702 --- /dev/null +++ b/3755/CH6/EX6.12/Ex6_12.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.625*10^-34; //planck's constant(J-sec)
+m=1.675*10^-27; //mass of neutron(kg)
+e=1.6*10^-19; //charge of electron(c)
+E=10^14; //energy of neutron(eV)
+
+//Calculations
+v=sqrt(2*E*e/m); //velocity(m/sec)
+lamda=h/(m*v); //de-broglie wavelength of neutron(m)
+
+//Result
+printf("\n de-broglie wavelength of neutron is %0.2f *10^-18 m",lamda*10^18)
diff --git a/3755/CH6/EX6.13/Ex6_13.sce b/3755/CH6/EX6.13/Ex6_13.sce new file mode 100644 index 000000000..820fd2d87 --- /dev/null +++ b/3755/CH6/EX6.13/Ex6_13.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.625*10^-34; //planck's constant(J-sec)
+m=1.675*10^-27; //mass of neutron(kg)
+e=1.6*10^-19; //charge of electron(c)
+E=12.8*10^6; //energy of neutron(eV)
+
+//Calculations
+v=sqrt(2*E*e/m); //velocity(m/sec)
+lamda=h/(m*v); //de-broglie wavelength of neutron(m)
+
+//Result
+printf("\n de-broglie wavelength of neutron is %0.3f *10^-15 m",lamda*10^15)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.14/Ex6_14.sce b/3755/CH6/EX6.14/Ex6_14.sce new file mode 100644 index 000000000..1d04cf6ca --- /dev/null +++ b/3755/CH6/EX6.14/Ex6_14.sce @@ -0,0 +1,20 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+mp=1836*m; //mass of photon(kg)
+c=3*10^8; //velocity of light(m/sec)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+E=m*c^2; //energy(J)
+v=sqrt(2*E/mp); //velocity(m/sec)
+lamda=h*10^10/(mp*v); //de-broglie wavelength of proton(angstrom)
+
+//Result
+printf("\n de-broglie wavelength of proton is %0.4f angstrom",lamda)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.15/Ex6_15.sce b/3755/CH6/EX6.15/Ex6_15.sce new file mode 100644 index 000000000..f90bd9db1 --- /dev/null +++ b/3755/CH6/EX6.15/Ex6_15.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.60*10^-34; //planck's constant(J-sec)
+m=1.67*10^-27; //mass of neutron(kg)
+k=8.6*10^-5; //boltzmann constant(eV/deg)
+e=1.6*10^-19; //charge of electron(c)
+T=300; //temperature(K)
+
+//Calculations
+lamda=h*10^10/sqrt(2*m*k*e*T); //wavelength of thermal neutron(angstrom)
+
+//Result
+printf("\n wavelength of thermal neutron is %0.3f angstrom",lamda)
diff --git a/3755/CH6/EX6.16/Ex6_16.sce b/3755/CH6/EX6.16/Ex6_16.sce new file mode 100644 index 000000000..55f4e0fbb --- /dev/null +++ b/3755/CH6/EX6.16/Ex6_16.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+mn=1.67*10^-27; //mass of neutron(kg)
+k=1.38*10^-23; //boltzmann constant(eV/deg)
+T=300; //temperature(K)
+
+//Calculations
+E=k*T; //energy(J)
+p=sqrt(2*mn*E); //momentum
+d=h*10^10/p; //interplanar spacing(angstrom)
+
+//Result
+printf("\n interplanar spacing is %0.2f angstrom",d)
diff --git a/3755/CH6/EX6.17/Ex6_17.sce b/3755/CH6/EX6.17/Ex6_17.sce new file mode 100644 index 000000000..81fd710a1 --- /dev/null +++ b/3755/CH6/EX6.17/Ex6_17.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m=9*10^-31; //mass of neutron(kg)
+e=1.6*10^-19; //charge of electron(c)
+V=344; //potential difference(V)
+theta=60*%pi/180; //angle(radian)
+
+//Calculations
+d=h*10^10/(2*sin(theta)*sqrt(2*m*e*V)); //interplanar spacing(angstrom)
+
+//Result
+printf("\n interplanar spacing is %0.2f angstrom",d)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.18/Ex6_18.sce b/3755/CH6/EX6.18/Ex6_18.sce new file mode 100644 index 000000000..d3be5cdcc --- /dev/null +++ b/3755/CH6/EX6.18/Ex6_18.sce @@ -0,0 +1,14 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+deltax=4*10^-10; //uncertainity in position of electron(m)
+
+//Calculations
+delta_px=h/deltax; //uncertainity in momentum(kg m/sec)
+
+//Result
+printf("\n uncertainity in momentum is %e kg m/sec",delta_px)
diff --git a/3755/CH6/EX6.19/Ex6_19.sce b/3755/CH6/EX6.19/Ex6_19.sce new file mode 100644 index 000000000..1f07e62a9 --- /dev/null +++ b/3755/CH6/EX6.19/Ex6_19.sce @@ -0,0 +1,19 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+v=600; //speed(m/sec)
+a=0.005/100; //accuracy(%)
+
+//Calculations
+deltav=v*a; //uncertainity in speed(kg m/sec)
+delta_px=m*deltav; //uncertainity in momentum(kg m/sec)
+deltax=h/delta_px; //uncertainity in position of electron(m)
+
+//Result
+printf("\n uncertainity in position of electron is %0.5f m",deltax)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.2/Ex6_2.sce b/3755/CH6/EX6.2/Ex6_2.sce new file mode 100644 index 000000000..21e7b7a1c --- /dev/null +++ b/3755/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,27 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+m=1.673*10^-27; //mass of proton(kg)
+v=10^4; //velocity of proton(m/sec)
+V1=100; //potential difference in 1st case(V)
+V2=10000; //potential difference in 2nd case(V)
+V3=6400; //potential difference in 3rd case(V)
+
+
+//Calculations
+lamda1=12.25/sqrt(V1) //de-broglie wavelength in 1st case(angstrom)
+lamda2=12.25/sqrt(V2) //de-broglie wavelength in 2nd case(angstrom)
+lamda3=12.25/sqrt(V3) //de-broglie wavelength in 3rd case(angstrom)
+lamda4=12.25/sqrt(V2) //de-broglie wavelength in 4th case(angstrom)
+lamda5=h/(m*v); //de-broglie wavelength of proton(m)
+
+//Result
+printf("\n de-broglie wavelength in 1st case is %0.3f angstrom",lamda1)
+printf("\n de-broglie wavelength in 2nd case is %0.3f angstrom",lamda2)
+printf("\n de-broglie wavelength in 3rd case is %0.3f angstrom",lamda3)
+printf("\n de-broglie wavelength in 4th case is %0.3f angstrom",lamda4)
+printf("\n de-broglie wavelength of proton is %0.4f angstrom",lamda5*10^10)
diff --git a/3755/CH6/EX6.21/Ex6_21.sce b/3755/CH6/EX6.21/Ex6_21.sce new file mode 100644 index 000000000..e3fb667b6 --- /dev/null +++ b/3755/CH6/EX6.21/Ex6_21.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+m0=9.1*10^-31; //mass of electron(kg)
+deltax=0.1*10^-10; //uncertainity in position of electron(m)
+
+//Calculations
+delta_p=h/deltax; //uncertainity in momentum(kg m/sec)
+delta_v=delta_p/m0; //uncertainity in velocity(m/sec)
+
+//Result
+printf("\n uncertainity in momentum is %e kg m/sec",delta_p)
+printf("\n uncertainity in velocity is %0.3f *10^7 m/sec",delta_v/10^7)
diff --git a/3755/CH6/EX6.22/Ex6_22.sce b/3755/CH6/EX6.22/Ex6_22.sce new file mode 100644 index 000000000..9468ff161 --- /dev/null +++ b/3755/CH6/EX6.22/Ex6_22.sce @@ -0,0 +1,14 @@ +clear
+//
+//
+//
+
+//Variable declaration
+me=9.10*10^-31; //mass of electron(kg)
+mp=1.67*10^-27; //mass of electron(kg)
+
+//Calculations
+uv=mp/me; //uncertainity in velocity
+
+//Result
+printf("\n uncertainity in velocity is %0.3f ",uv)
diff --git a/3755/CH6/EX6.23/Ex6_23.sce b/3755/CH6/EX6.23/Ex6_23.sce new file mode 100644 index 000000000..83bba28f3 --- /dev/null +++ b/3755/CH6/EX6.23/Ex6_23.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m0=9*10^-31; //mass of electron(kg)
+v=3*10^7; //velocity of electron(m/sec)
+c=3*10^8; //velocity of light(m/sec)
+
+//Calculations
+deltax_min=h*10^10*sqrt(1-(v^2/c^2))/(4*%pi*m0*v); //smallest possible uncertainity in position of electron(angstrom)
+
+//Result
+printf("\n smallest possible uncertainity in position of electron is %0.0f angstrom",deltax_min)
diff --git a/3755/CH6/EX6.24/Ex6_24.sce b/3755/CH6/EX6.24/Ex6_24.sce new file mode 100644 index 000000000..a90cb14c9 --- /dev/null +++ b/3755/CH6/EX6.24/Ex6_24.sce @@ -0,0 +1,15 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9*10^-31; //mass of electron(kg)
+deltax_max=10*10^-10; //length of box(m)
+
+//Calculations
+deltavx_min=h/(deltax_max*m); //minimum uncertainity in velocity of electron(m/s)
+
+//Result
+printf("\n minimum uncertainity in velocity of electron is %0.0f *10^5 m/s",deltavx_min/10^5)
diff --git a/3755/CH6/EX6.25/Ex6_25.sce b/3755/CH6/EX6.25/Ex6_25.sce new file mode 100644 index 000000000..6aa58d695 --- /dev/null +++ b/3755/CH6/EX6.25/Ex6_25.sce @@ -0,0 +1,15 @@ +clear
+//
+//
+//
+
+//Variable declaration
+dlamda=10^-4*10^-10; //width(m)
+lamda=6000*10^-10; //wavelength(m)
+c=3*10^8; //velocity of light(m/sec)
+
+//Calculations
+delta_t=lamda^2/(2*%pi*c*dlamda); //time required(second)
+
+//Result
+printf("\n time required is %0.1f *10^-8 second",delta_t*10^8)
diff --git a/3755/CH6/EX6.26/Ex6_26.sce b/3755/CH6/EX6.26/Ex6_26.sce new file mode 100644 index 000000000..56ac48391 --- /dev/null +++ b/3755/CH6/EX6.26/Ex6_26.sce @@ -0,0 +1,19 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+v=3.5*10^7; //speed(cm/sec)
+a=0.0098/100; //accuracy(%)
+
+//Calculations
+deltav=v*a; //uncertainity in speed(kg m/sec)
+delta_p=m*deltav; //uncertainity in momentum(kg m/sec)
+deltax=h/(4*%pi*delta_p); //uncertainity in position of electron(m)
+
+//Result
+printf("\n uncertainity in position of electron is %0.4f *10^-8 m",deltax*10^8)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.27/Ex6_27.sce b/3755/CH6/EX6.27/Ex6_27.sce new file mode 100644 index 000000000..22fc2e915 --- /dev/null +++ b/3755/CH6/EX6.27/Ex6_27.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m=10^-6; //mass of electron(kg)
+deltav=5.5*10^-20; //speed(m/sec)
+
+//Calculations
+delta_p=m*deltav; //uncertainity in momentum(kg m/sec)
+deltax=h/(4*%pi*delta_p); //uncertainity in position of dust particle(m)
+
+//Result
+printf("\n uncertainity in position of dust particle is %0.2f *10^-10 m",deltax*10^10)
diff --git a/3755/CH6/EX6.28/Ex6_28.sce b/3755/CH6/EX6.28/Ex6_28.sce new file mode 100644 index 000000000..cd8fefb48 --- /dev/null +++ b/3755/CH6/EX6.28/Ex6_28.sce @@ -0,0 +1,15 @@ +clear
+//
+//
+//
+
+//Variable declaration
+delta_t=10^-12; //life time(s)
+hby2pi=1.054*10^-34;
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+deltaE=hby2pi/(2*e*delta_t); //uncertainity in energy(eV)
+
+//Result
+printf("\n uncertainity in energy is %0.1f *10^-4 eV",deltaE*10^4)
diff --git a/3755/CH6/EX6.29/Ex6_29.sce b/3755/CH6/EX6.29/Ex6_29.sce new file mode 100644 index 000000000..19c4ef13e --- /dev/null +++ b/3755/CH6/EX6.29/Ex6_29.sce @@ -0,0 +1,13 @@ +clear
+//
+//
+//
+
+//Variable declaration
+delta_t=10^-8; //life time(s)
+
+//Calculations
+deltav=1/(4*%pi*delta_t); //minimum uncertainity in frequency(s-1)
+
+//Result
+printf("\n minimum uncertainity in frequency is %0.0f *10^6 s-1",deltav/10^6)
diff --git a/3755/CH6/EX6.3/Ex6_3.sce b/3755/CH6/EX6.3/Ex6_3.sce new file mode 100644 index 000000000..0e09f9c4b --- /dev/null +++ b/3755/CH6/EX6.3/Ex6_3.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m=1.67*10^-27; //mass of proton(kg)
+vc=3*10^8; //velocity of light(m/sec)
+
+//Calculations
+v=vc/20; //velocity of proton(m/sec)
+lamda=h/(m*v); //de-broglie wavelength of proton(m)
+
+//Result
+printf("\n de-broglie wavelength of proton is %0.2f *10^-14 m",lamda*10^14)
diff --git a/3755/CH6/EX6.30/Ex6_30.sce b/3755/CH6/EX6.30/Ex6_30.sce new file mode 100644 index 000000000..b43771fd8 --- /dev/null +++ b/3755/CH6/EX6.30/Ex6_30.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+e=1.6*10^-19; //charge of electron(c)
+delta_t=2.5*10^-14*10^-6; //life time(s)
+
+//Calculations
+deltaE=h*10^-3/(4*%pi*delta_t*e); //minimum energy(keV)
+
+//Result
+printf("\n minimum energy is %0.5f keV",deltaE)
+printf("\n answer in the book varies due to rounding off errors")
diff --git a/3755/CH6/EX6.31/Ex6_31.sce b/3755/CH6/EX6.31/Ex6_31.sce new file mode 100644 index 000000000..e1712c8f3 --- /dev/null +++ b/3755/CH6/EX6.31/Ex6_31.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+e=1.602*10^-19; //charge of electron(c)
+L=10^-10; //width(m)
+m=9.11*10^-31; //mass of electron(kg)
+
+
+//Calculations
+E1=h^2/(8*m*e*L^2); //least energy(eV)
+
+//Result
+printf("\n least energy is %0.3f eV",E1)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.32/Ex6_32.sce b/3755/CH6/EX6.32/Ex6_32.sce new file mode 100644 index 000000000..3a3bb0833 --- /dev/null +++ b/3755/CH6/EX6.32/Ex6_32.sce @@ -0,0 +1,24 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+e=1.6*10^-19; //charge of electron(c)
+L=2.5*10^-10; //width(m)
+m=9.1*10^-31; //mass of electron(kg)
+n1=1;
+n2=2;
+n3=3;
+
+//Calculations
+E=h^2/(8*m*e*L^2); //energy(eV)
+E1=n1^2*h^2/(8*m*e*L^2); //1st least energy(eV)
+E2=n2^2*h^2/(8*m*e*L^2); //2nd least energy(eV)
+E3=n3^2*h^2/(8*m*e*L^2); //3rd least energy(eV)
+
+//Result
+printf("\n 1st least energy is %0.0f eV",E1)
+printf("\n 2nd least energy is %0.0f eV",E2)
+printf("\n 3rd least energy is %0.0f eV",E3)
diff --git a/3755/CH6/EX6.33/Ex6_33.sce b/3755/CH6/EX6.33/Ex6_33.sce new file mode 100644 index 000000000..264059112 --- /dev/null +++ b/3755/CH6/EX6.33/Ex6_33.sce @@ -0,0 +1,31 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+e=1.6*10^-19; //charge of electron(c)
+L=10^-9; //width(m)
+m=9.1*10^-31; //mass of electron(kg)
+n1=1;
+n2=2;
+n3=3;
+
+//Calculations
+lamda1=2*L*10^10/n1; //wavelength in 1st energy state(angstrom)
+lamda2=2*L*10^10/n2; //wavelength in 2nd energy state(angstrom)
+lamda3=2*L*10^10/n3; //wavelength in 3rd energy state(angstrom)
+E=h^2/(8*m*e*L^2); //energy(eV)
+E1=n1^2*h^2/(8*m*e*L^2); //1st least energy(eV)
+E2=n2^2*h^2/(8*m*e*L^2); //2nd least energy(eV)
+E3=n3^2*h^2/(8*m*e*L^2); //3rd least energy(eV)
+
+//Result
+printf("\n wavelength in 1st energy state is %0.0f angstrom",lamda1)
+printf("\n wavelength in 2nd energy state is %0.0f angstrom",lamda2)
+printf("\n wavelength in 3rd energy state is %0.2f angstrom",lamda3)
+printf("\n 1st least energy is %0.2f eV",E1)
+printf("\n 2nd least energy is %0.4f eV",E2)
+printf("\n 3rd least energy is %0.3f eV",E3)
+printf("\n answers for 2nd and 3rd least energies varies due to rounding off errors")
diff --git a/3755/CH6/EX6.34/Ex6_34.sce b/3755/CH6/EX6.34/Ex6_34.sce new file mode 100644 index 000000000..a92b65fb6 --- /dev/null +++ b/3755/CH6/EX6.34/Ex6_34.sce @@ -0,0 +1,23 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.626*10^-34; //planck's constant(J-sec)
+e=1.60*10^-19; //charge of electron(c)
+L=10^-10; //width(m)
+m=9.1*10^-31; //mass of electron(kg)
+n1=1;
+n2=2;
+
+//Calculations
+E=h^2/(8*m*e*L^2); //energy(eV)
+E1=n1^2*h^2/(8*m*e*L^2); //1st least energy(eV)
+E2=n2^2*h^2/(8*m*e*L^2); //2nd least energy(eV)
+Ed=E2-E1
+//Result
+printf("\n 1st least energy is %0.2f eV",E1)
+printf("\n 2nd least energy is %0.0f eV",E2)
+printf("\n energy difference between ground state and 1st excited state is %0.2f eV",Ed)
+printf("\n answer in the book varies due to rounding off errors")
diff --git a/3755/CH6/EX6.35/Ex6_35.sce b/3755/CH6/EX6.35/Ex6_35.sce new file mode 100644 index 000000000..212463811 --- /dev/null +++ b/3755/CH6/EX6.35/Ex6_35.sce @@ -0,0 +1,25 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+e=1.6*10^-19; //charge of electron(c)
+L=10^-1; //width(m)
+m=10^-2; //mass of electron(kg)
+n1=1;
+n2=2;
+n3=3;
+
+//Calculations
+E=h^2/(8*m*e*L^2); //energy(eV)
+E1=n1^2*h^2/(8*m*e*L^2); //1st least energy(eV)
+E2=n2^2*h^2/(8*m*e*L^2); //2nd least energy(eV)
+E3=n3^2*h^2/(8*m*e*L^2); //3rd least energy(eV)
+
+//Result
+printf("\n 1st least energy is %0.1f *10^-45 eV",E1*10^45)
+printf("\n 2nd least energy is %0.1f *10^-45 eV",E2*10^45)
+printf("\n 3rd least energy is %0.1f *10^-45 eV",E3*10^45)
+printf("\n energy levels are so close to each other that the energy states cannot be observed")
diff --git a/3755/CH6/EX6.36/Ex6_36.sce b/3755/CH6/EX6.36/Ex6_36.sce new file mode 100644 index 000000000..8a2bc2d4f --- /dev/null +++ b/3755/CH6/EX6.36/Ex6_36.sce @@ -0,0 +1,22 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+e=1.602*10^-19; //charge of electron(c)
+L=0.2*10^-9; //width(m)
+n5=5;
+En=10^3; //energy(eV)
+E5=230; //energy of particle(eV)
+
+//Calculations2
+E5=230*e; //energy(J)
+E1=E5/n5^2; //energy in 1st state(J)
+m=h^2/(8*E1*L^2); //mass of particle(kg)
+n=sqrt(En*e/E1); //quantum state
+
+//Result
+printf("\n mass of particle is %0.1f *10^-31 kg",m*10^31)
+printf("\n quantum state is %0.1f ",n)
diff --git a/3755/CH6/EX6.37/Ex6_37.sce b/3755/CH6/EX6.37/Ex6_37.sce new file mode 100644 index 000000000..a9c43b70f --- /dev/null +++ b/3755/CH6/EX6.37/Ex6_37.sce @@ -0,0 +1,14 @@ +clear
+//
+//
+//
+
+//Variable declaration
+L=25*10^-10; //width(m)
+deltax=5*10^-10; //interval(m)
+
+//Calculations2
+P=2*deltax/L; //probability of finding the particle
+
+//Result
+printf("\n probability of finding the particle is %0.3f ",P)
diff --git a/3755/CH6/EX6.4/Ex6_4.sce b/3755/CH6/EX6.4/Ex6_4.sce new file mode 100644 index 000000000..4f272ba9a --- /dev/null +++ b/3755/CH6/EX6.4/Ex6_4.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.60*10^-34; //planck's constant(J-sec)
+m=1.674*10^-27; //mass of proton(kg)
+lamda=10^-10; //de-broglie wavelength(m)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+E=h^2/(2*m*lamda^2); //energy of neutron(J)
+E=E/e; //energy of neutron(eV)
+
+//Result
+printf("\n energy of neutron is %0.2f *10^-2 eV",E*10^2)
diff --git a/3755/CH6/EX6.5/Ex6_5.sce b/3755/CH6/EX6.5/Ex6_5.sce new file mode 100644 index 000000000..7059e99c4 --- /dev/null +++ b/3755/CH6/EX6.5/Ex6_5.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.62*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+lamda=3*10^-12; //de-broglie wavelength(m)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+E=h^2/(2*m*lamda^2); //energy of electron(J)
+E=E/e; //energy of electron(eV)
+
+//Result
+printf("\n energy of electron is %0.1f eV",E)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.6/Ex6_6.sce b/3755/CH6/EX6.6/Ex6_6.sce new file mode 100644 index 000000000..6a4a13b81 --- /dev/null +++ b/3755/CH6/EX6.6/Ex6_6.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+lamda=5896*10^-10; //de-broglie wavelength(m)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+K=h^2/(2*m*lamda^2); //energy of electron(J)
+K=K/e; //kinetic energy of electron(eV)
+
+//Result
+printf("\n kinetic energy of electron is %0.2f *10^-6 eV",K*10^6)
diff --git a/3755/CH6/EX6.7/Ex6_7.sce b/3755/CH6/EX6.7/Ex6_7.sce new file mode 100644 index 000000000..1521b6626 --- /dev/null +++ b/3755/CH6/EX6.7/Ex6_7.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+lamda=0.4*10^-10; //de-broglie wavelength(m)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+V=h^2/(2*m*e*lamda^2); //voltage(V)
+
+//Result
+printf("\n voltage is %0.1f V",V)
+printf("\n answer in the book is wrong")
diff --git a/3755/CH6/EX6.8/Ex6_8.sce b/3755/CH6/EX6.8/Ex6_8.sce new file mode 100644 index 000000000..3024a4d06 --- /dev/null +++ b/3755/CH6/EX6.8/Ex6_8.sce @@ -0,0 +1,19 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.63*10^-34; //planck's constant(J-sec)
+m=1.67*10^-27; //mass of neutron(kg)
+lamda=10^-10; //de-broglie wavelength(m)
+e=1.6*10^-19; //charge of electron(c)
+
+//Calculations
+v=h/(m*lamda); //velocity of neutron(m/sec)
+E=m*v^2/(2*e); //kinetic energy of neutron(eV)
+
+//Result
+printf("\n velocity of neutron is %0.2f *10^3 m/sec",v/10^3)
+printf("\n kinetic energy of neutron is %0.5f eV",E)
+printf("\n answer for kinetic energy in the book is wrong")
diff --git a/3755/CH6/EX6.9/Ex6_9.sce b/3755/CH6/EX6.9/Ex6_9.sce new file mode 100644 index 000000000..6abbfb7fb --- /dev/null +++ b/3755/CH6/EX6.9/Ex6_9.sce @@ -0,0 +1,19 @@ +clear
+//
+//
+//
+
+//Variable declaration
+h=6.6*10^-34; //planck's constant(J-sec)
+m=9.1*10^-31; //mass of electron(kg)
+c=3*10^8; //velocity of light(m/sec)
+e=1.6*10^-19; //charge of electron(c)
+E=1000; //energy of electron(eV)
+
+//Calculations
+lamda_p=h*c*10^10/(E*e); //wavelength of photon(angstrom)
+lamda_e=h*10^10/sqrt(2*m*E*e); //wavelength of electron(angstrom)
+
+//Result
+printf("\n wavelength of photon is %0.1f angstrom",lamda_p)
+printf("\n wavelength of electron is %0.2f angstrom",lamda_e)
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