In a radioactive decay chain reaction, ^ 230 _ 90 Th nucleus decays into ^ 214 _ 84 Po nucleus. The ratio of the number of to number of ^- particles emitted in this process is _____.

JEE Advanced 2022 Physics question

In a radioactive decay chain reaction, nucleus decays into nucleus. The ratio of the number of to number of particles emitted in this process is .

Answer: 2

Only decay changes the mass number: alpha particles, which would lower by 8

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Question ID VK-034027