Question
Medium
Solving time: 3 mins
Mass number of a nucleus is and atomic number is . Find mass number and atomic number of the new nucleus (say Y) after the emission of m-alpha particles and -beta particles.
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Text solutionVerified
By the emission of one alpha particle, atomic number decreases by 2 and by the emission of one beta particle atomic number increases by 1 . Therefore, the atomic number of nucleus is
Further, by the emission of one alpha particle mass number decreases by 4 and by the emission of beta particle, mass number does not change. Therefore, the mass number of is
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Question Text | Mass number of a nucleus is and atomic number is . Find mass number and atomic number of the new nucleus (say Y) after the emission of m-alpha particles and -beta particles. |
Topic | Nuclei |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 69 |