A radioactive nucleus (initial mass number A and atomic number Z emits 3 α - particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be

Atoms and Nuclei: JEE Main 2010 Physics question

JEE Main 2010 · Annual, Paper 1 · Q6082

JEE Main 2010Annual, Paper 1PhysicsEasyAtoms and Nuclei183× since 2002

A radioactive nucleus (initial mass number

A

and atomic number

Z

emits

3\,\alpha

- particles and

2

positrons. The ratio of number of neutrons to that of protons in the final nucleus will be