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प्रश्न
In which of the following, no change in mass number of the daughter nuclei takes place
- α decay
- β decay
- γ decay
- neutron decay
विकल्प
(i) is correct
(ii) and (iii) are correct
(i) & ( iv) are correct
(ii) & (iv) are correct
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उत्तर
(ii) and (iii) are correct
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