JEE Main 12 Jan 2019 Shift 2 Solved Paper

Section: Physics

Question : 20 of 90

Marks: +1, -0

In a radioactive decay chain, the initial nucleus is

232

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Th . At the end there are 6 α-particles and 4 β-particles which are emitted. If the end nucleus, If A Z X , A and Z are given by :

[12 Jan 2019 Shift 2]

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