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Railways PYQCBT 1 2016

RRB NTPC · Question 67

Nuclear fission is a process of _____. A. Nuclear conversion B. Subdivision of a heavy nuclear nucleus C. Collision of two or more nuclei to form a new nucleus D. Subdivisions of molecules.

  1. B

  2. A

  3. C

  4. D

Show answer & explanation

Answer: (A) B

Explanation

Nuclear fission is the splitting of a heavy nucleus (such as uranium-235) into two lighter nuclei, releasing neutrons and a large amount of energy. Joining nuclei is fusion.