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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
commitb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch)
treeab291cffc65280e58ac82470ba63fbcca7805165 /446/CH6
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Diffstat (limited to '446/CH6')
-rwxr-xr-x446/CH6/EX6.1/6_1.sce10
-rwxr-xr-x446/CH6/EX6.1/6_1.txt2
-rwxr-xr-x446/CH6/EX6.2/6_2.sce15
-rwxr-xr-x446/CH6/EX6.2/6_2.txt7
-rwxr-xr-x446/CH6/EX6.3/6_3.sce6
-rwxr-xr-x446/CH6/EX6.3/6_3.txt3
-rwxr-xr-x446/CH6/EX6.4/6_4.sce7
-rwxr-xr-x446/CH6/EX6.4/6_4.txt3
-rwxr-xr-x446/CH6/EX6.5/6_5.sce18
-rwxr-xr-x446/CH6/EX6.5/6_5.txt6
-rwxr-xr-x446/CH6/EX6.6/6_6.sce8
-rwxr-xr-x446/CH6/EX6.6/6_6.txt4
-rwxr-xr-x446/CH6/EX6.7/6_7.sce11
-rwxr-xr-x446/CH6/EX6.7/6_7.txt4
14 files changed, 104 insertions, 0 deletions
diff --git a/446/CH6/EX6.1/6_1.sce b/446/CH6/EX6.1/6_1.sce
new file mode 100755
index 000000000..003cfc5fd
--- /dev/null
+++ b/446/CH6/EX6.1/6_1.sce
@@ -0,0 +1,10 @@
+clear
+clc
+disp('Exa-6.1');
+R=0.1;Z=79; x=1.44; //x=e^2/4*pi*epsi0
+zkR2=2*Z*x/R // from zkR2= (2*Z*e^2)*R^2/(4*pi*epsi0)*R^3
+mv2=10*10^6; //MeV=>eV
+theta=sqrt(3/4)*zkR2/mv2; //deflection angle
+theta=theta*(180/%pi); //converting to degrees
+printf('Hence the average deflection angle per collision is %.2f degrees.',theta );
+
diff --git a/446/CH6/EX6.1/6_1.txt b/446/CH6/EX6.1/6_1.txt
new file mode 100755
index 000000000..8e5574bea
--- /dev/null
+++ b/446/CH6/EX6.1/6_1.txt
@@ -0,0 +1,2 @@
+ Exa-6.1
+Hence the average deflection angle per collision is 0.01 degrees \ No newline at end of file
diff --git a/446/CH6/EX6.2/6_2.sce b/446/CH6/EX6.2/6_2.sce
new file mode 100755
index 000000000..8cd94c453
--- /dev/null
+++ b/446/CH6/EX6.2/6_2.sce
@@ -0,0 +1,15 @@
+clear
+clc
+disp('Exa-6.2(a)');
+Na=6.023*10^23;p=19.3;M=197;
+n=Na*p/M; //The number of nuclei per atom
+t=2*10^-6;Z=79;K=8*10^6;x=1.44; theta=90; //x=e^2/4*pi*epsi0
+b1=t*Z*x*cotd(theta/2)/(2*K) //impact parameter b
+f1=n*%pi*b1^2*t //scattering angle greater than 90
+printf('The fraction of alpha particles scattered at angles greater than 90 degrees is %.2e\n',f1);
+disp('Exa-6.2(b)');
+theta=45
+b2=t*Z*x*cotd(theta/2)/(2*K);
+f2=n*%pi*b2^2*t; //scattering angle greater than 45
+fb=f2-f1 //scattering angle between 45 to 90
+printf('The fraction of particles with scattering angle from 45 to 90 is %.3e\n',fb); \ No newline at end of file
diff --git a/446/CH6/EX6.2/6_2.txt b/446/CH6/EX6.2/6_2.txt
new file mode 100755
index 000000000..5c6eed3f3
--- /dev/null
+++ b/446/CH6/EX6.2/6_2.txt
@@ -0,0 +1,7 @@
+
+ Ex-6.2(a)
+The fraction of alpha particles scattered at angles greater than 90 degrees is 7.50e-005
+
+ Ex-6.2(b)
+The fraction of particles with scattering angle from 45 to 90 is 3.620e-004
+ \ No newline at end of file
diff --git a/446/CH6/EX6.3/6_3.sce b/446/CH6/EX6.3/6_3.sce
new file mode 100755
index 000000000..c822a583d
--- /dev/null
+++ b/446/CH6/EX6.3/6_3.sce
@@ -0,0 +1,6 @@
+clear
+clc
+disp('Exa-6.3');
+Z=79;x=1.44;K=8*10^6;z=2; //where x=e^2/4*pi*epsi0;z=2 for alpha particles
+d=z*x*Z/K; //distance
+printf('The distance of closest approasch is %.2e nm.',d*10^-9) \ No newline at end of file
diff --git a/446/CH6/EX6.3/6_3.txt b/446/CH6/EX6.3/6_3.txt
new file mode 100755
index 000000000..fd1532840
--- /dev/null
+++ b/446/CH6/EX6.3/6_3.txt
@@ -0,0 +1,3 @@
+
+ Exa-6.3
+The distance of closest approasch is 2.84e-014 nm. \ No newline at end of file
diff --git a/446/CH6/EX6.4/6_4.sce b/446/CH6/EX6.4/6_4.sce
new file mode 100755
index 000000000..e292ad8e4
--- /dev/null
+++ b/446/CH6/EX6.4/6_4.sce
@@ -0,0 +1,7 @@
+clear
+clc
+disp('Exa-6.4');
+sl=820.1;n0=3; //given values
+n=4;w=sl*(n^2/(n^2-n0^2)); printf('The 3 longest possible wavelengths are %.0f nm,',w);
+n=5;w=sl*(n^2/(n^2-n0^2)); printf('%.0f nm,',w);
+n=6;w=sl*(n^2/(n^2-n0^2)); printf('& %.0f nm ',w);
diff --git a/446/CH6/EX6.4/6_4.txt b/446/CH6/EX6.4/6_4.txt
new file mode 100755
index 000000000..6628cc1f8
--- /dev/null
+++ b/446/CH6/EX6.4/6_4.txt
@@ -0,0 +1,3 @@
+
+ Exa-6.4
+The 3 longest possible wavelengths are 1875 nm,1281 nm,& 1093 nm. \ No newline at end of file
diff --git a/446/CH6/EX6.5/6_5.sce b/446/CH6/EX6.5/6_5.sce
new file mode 100755
index 000000000..1b6df32e1
--- /dev/null
+++ b/446/CH6/EX6.5/6_5.sce
@@ -0,0 +1,18 @@
+clear
+clc
+disp('Exa-6.5');
+sl=364.5;n=3; //given variables and various constants are declared in the subsequent steps wherever necessary
+w1=sl*(n^2/(n^2-4)); //longest wavelength of balmer
+c=3*10^8;
+f1=c/(w1*10^-9); //corresponding freq.
+n0=1;n=2;
+w2=91.13*(n^2/(n^2-n0^2)); //first longest of lymann
+f2=c/(w2*10^-9); //correspoding freq
+n0=1;n=3
+w3=91.13*(n^2/(n^2-n0^2)); //second longest of lymann
+f3=3*10^8/(w3*10^-9) //corresponding freq.
+printf('The freq. corresponding to the longest wavelength of balmer is %e & First longest wavelength of Lymann is %e.\n',f1,f2);
+printf('The sum of which s equal to %e\n',f1+f2);
+printf('The freq. corresponding to 2nd longest wavelength was found out to be %e\n.Hence Ritz combination principle is satisfied.',f3);
+
+ \ No newline at end of file
diff --git a/446/CH6/EX6.5/6_5.txt b/446/CH6/EX6.5/6_5.txt
new file mode 100755
index 000000000..98fa2b384
--- /dev/null
+++ b/446/CH6/EX6.5/6_5.txt
@@ -0,0 +1,6 @@
+
+ Exa-6.5
+The freq. corresponding to the longest wavelength of balmer is 4.572474e+014 & First longest wavelength of Lymann is 2.469000e+015.
+The sum of which s equal to 2.926248e+015
+The freq. corresponding to 2nd longest wavelength was found out to be 2.926223e+015
+.Hence Ritz combination principle is satisfied. \ No newline at end of file
diff --git a/446/CH6/EX6.6/6_6.sce b/446/CH6/EX6.6/6_6.sce
new file mode 100755
index 000000000..0764366c9
--- /dev/null
+++ b/446/CH6/EX6.6/6_6.sce
@@ -0,0 +1,8 @@
+clear
+clc
+disp('Exa-6.6');
+Rinfi=1.097*10^7; //known value
+n1=3;n2=2; //first 2 given states
+w=(n1^2*n2^2)/((n1^2-n2^2)*Rinfi);printf('Wavelength of trnasition from n1=3 to n2=2 is %.3f nm\n',w*10^9);
+n1=4;n2=2; //second 2 given states
+w=(n1^2*n2^2)/((n1^2-n2^2)*Rinfi);printf('Wavelength of trnasition from n1=3 to n2=2 is %.3f nm',w*10^9); \ No newline at end of file
diff --git a/446/CH6/EX6.6/6_6.txt b/446/CH6/EX6.6/6_6.txt
new file mode 100755
index 000000000..235547e5e
--- /dev/null
+++ b/446/CH6/EX6.6/6_6.txt
@@ -0,0 +1,4 @@
+
+ Exa-6.6
+Wavelength of trnasition from n1=3 to n2=2 is 656.335 nm
+Wavelength of trnasition from n1=3 to n2=2 is 486.174 nm \ No newline at end of file
diff --git a/446/CH6/EX6.7/6_7.sce b/446/CH6/EX6.7/6_7.sce
new file mode 100755
index 000000000..9451a0641
--- /dev/null
+++ b/446/CH6/EX6.7/6_7.sce
@@ -0,0 +1,11 @@
+clear
+clc
+disp('Exa-6.7');
+n1=3;n2=2;Z=4;hc=1240;
+delE=(-13.6)*(Z^2)*((1/(n1^2))-((1/n2^2)));
+w=(hc)/delE; //for transition 1
+printf('The wavelngth of radiation for transition(2->3) is %f nm\n',w);
+n1=4;n2=2; // n values for transition 2
+delE=(-13.6)*(Z^2)*((1/n1^2)-(1/n2^2));
+w=(hc)/delE;
+printf('The wavelngth of radiation emitted for transition(2->4) is %f nm',w); \ No newline at end of file
diff --git a/446/CH6/EX6.7/6_7.txt b/446/CH6/EX6.7/6_7.txt
new file mode 100755
index 000000000..510b9bd66
--- /dev/null
+++ b/446/CH6/EX6.7/6_7.txt
@@ -0,0 +1,4 @@
+
+ Exa-6.7
+The wavelngth of radiation for transition(2->3) is 41.029412 nm
+The wavelngth of radiation emitted for transition(2->4) is 30.4 nm \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-01-25 02:15:38 +0000