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It is possible to understand nuclear fission on the basis of:

1. liquid drop model of the nucleus
2. meson theory of the nuclear forces
3. proton-proton cycle
4. independent particle model of the nucleus

Correct answer: liquid drop model of the nucleus

Solution

The liquid drop model of the nucleus explains nuclear fission by treating the nucleus as a charged liquid drop, which can split into smaller fragments due to instability caused by external energy or neutron absorption.

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