1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
{
"metadata": {
"name": "",
"signature": "sha256:15ba15ce3635a11f8889cf96adb08a8de4e1e5c63e5f5177ed54dd77e97a3365"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 16 Electrons, Ions, Isotopes and nucleus"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 16.1 Page no 268"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#given\n",
"E=(200*100) #Electric field in V/m\n",
"B=0.2 #Magnetic field in T\n",
"B1=0.3 #Magnetic field in the main chamber in T\n",
"q=(1.6*10**-19) #Charge of the electron in coloumbs\n",
"m=(12,13) #Carbon isotopes C12 and C13\n",
"M=(1.67*10**-27) #AMU(Atomic Mass Unit) in kg\n",
"\n",
"#Calculations\n",
"v=(E/B)\n",
"s=(2*v*(m[1]-m[0])*M*100)/(q*B1)\n",
"\n",
"#Output\n",
"print\"Seperation on photographic plate is \",round(s,4),\"cm\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Seperation on photographic plate is 0.6958 cm\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 16.2 Page no 268"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#given\n",
"a=20 #Atomic number of Ca\n",
"m=40.0 #mass number of Ca\n",
"M=39.962591 #Mass of Ca nucleus in u\n",
"mp=1.007276 #Mass of proton in AMU\n",
"mn=1.008665 #Mass of neutron in AMU\n",
"\n",
"#Calculations\n",
"BE=(1/m)*((a*mp)+(a*mn)-M)*1000\n",
"\n",
"#Output\n",
"print\"BE per nucleon is \",round(BE,1),\"MeV\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"BE per nucleon is 8.9 MeV\n"
]
}
],
"prompt_number": 9
}
],
"metadata": {}
}
]
}
|
