ICSE Class 10 Physics 2020 Solved Paper | Question 24

ICSE Class 10 Physics 2020 Solved Paper

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Question : 24

Total: 67

A nucleus ‌84X202 of an element emits an alpha particle followed by a beta particle. The final nucleus is Yb. Find a and b.

Solution:

‌‌84X202

−α

────▸

‌82P198+‌2He4
‌‌82P198

−β

────▸

‌83Y198+‌−1e0
Comparing ‌aYb and ‌83Y198; We get
a=83 and b=198.

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