Questions
A radio active nucleus emits both and particles. Initial mass number of the nucleus is 298. After emission of and particles, the nucleus becomes an isotope and mass number becomes 274. Then number of particles emitted is
detailed solution
Correct option is D
Let number of α and β particles emitted be x and y respectively.∴ z−2x+y=z⇒y=2x........1Again, 298−4x=274⇒x=6∴ y=2×6=12Talk to our academic expert!
Similar Questions
A radio active nucleus emits both and particles. Initial mass number of the nucleus is 260. After emission of and particles, the final mass number of the nucleus is 236 and the nucleus becomes an isotone. Then number of emitted particles is
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