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Question: Answered & Verified by Expert
A nucleus of mass number 189 splits into two nuclei having mass number 125 and 64. The ratio of radius of two daughter nuclei respectively is:
PhysicsNuclear PhysicsNEETNEET 2022 (Phase 1)
Options:
  • A 4:5
  • B 5:4
  • C 25:16
  • D 1:1
Solution:
1039 Upvotes Verified Answer
The correct answer is: 5:4

The relation between radius R of nuclei and mass number A is given by, R=R0A13, where R0 is fermi constant.

Thus, R1R2=A1A213=1256413=54.

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