#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
Back to ATC Physics

Practice Question
A radioactive nucleus emits 3 alpha particles and 2 positrons. For the resultant nucleus, the ratio of neutrons to protons is (consider the initial nucleus to have atomic number Z and atomic mass A):

Select one correct option:

(A-Z-12)/(Z-4) Correct 💪 In-correct 🧐
(A-Z-4)/(Z-2) Correct 💪 In-correct 🧐
(A-Z-8)/(Z-4) Correct 💪 In-correct 🧐
(A-Z-4)/(Z-8) Correct 💪 In-correct 🧐
Report Bug/Issue
Previous Question
Next Question
Questions
Q. 1
Q. 2
Q. 3
Q. 4
Q. 5
Q. 6
Q. 7
Q. 8
Q. 9
Q. 10
Q. 11
Q. 12
Q. 13
Q. 14
Q. 15
Q. 16
Q. 17
Q. 18
Q. 19
Q. 20
Q. 21
Q. 22
Q. 23
Q. 24
Q. 25
Q. 26
Q. 27
Q. 28
Q. 29
Q. 30
Q. 31
Q. 32
Q. 33
Q. 34
Q. 35
Q. 36
Q. 37
Q. 38
Q. 39
Q. 40
Q. 41
Q. 42
Q. 43
Q. 44
Q. 45
Q. 46
Q. 47
Q. 48
Q. 49
Q. 50
Q. 51
Q. 52
Q. 53
Q. 54
Q. 55
Q. 56
Q. 57
Q. 58
Q. 59
Q. 60
Q. 61
Q. 62
Q. 63
Q. 64
Q. 65
Q. 66
Q. 67
Q. 68
Q. 69
Q. 70
Q. 71
Q. 72
Q. 73
Q. 74
Q. 75
Q. 76
Q. 77
Q. 78
Q. 79
Q. 80
Q. 81
Q. 82
Q. 83
Q. 84
Q. 85
Q. 86
Q. 87
Q. 88
Q. 89
Q. 90
Q. 91
Q. 92
Q. 93
Q. 94
Q. 95
Q. 96
Q. 97
Q. 98
Q. 99
Q. 100
Q. 101
Q. 102
Q. 103
Q. 104
Q. 105
Q. 106
Q. 107
Q. 108
Q. 109
Q. 110
Q. 111
Q. 112
Q. 113
Q. 114
Q. 115
Q. 116
Q. 117
Q. 118
Q. 119
Q. 120
Q. 121
Q. 122
Q. 123
Q. 124
Q. 125
Q. 126
Q. 127
Q. 128
Q. 129
Q. 130
Q. 131
Q. 132
Q. 133
Q. 134
Q. 135
Q. 136
Q. 137
Q. 138
Q. 139
Q. 140
Q. 141
Q. 142
Q. 143
Q. 144
Q. 145
Q. 146
Q. 147
Q. 148
Q. 149
Q. 150
Q. 151
Q. 152
Q. 153
Q. 154
Q. 155
Q. 156
Q. 157
Q. 158
Q. 159
Q. 160
Q. 161
Q. 162
Q. 163
Q. 164
Q. 165
Q. 166
Q. 167
Q. 168
Q. 169
Q. 170
Q. 171
Q. 172
Q. 173
Q. 174
Q. 175
Q. 176
Q. 177
Q. 178
Q. 179
Q. 180
Q. 181
Q. 182
Q. 183
Q. 184
Q. 185
Q. 186
Q. 187
Q. 188
Q. 189