Physics
In the gamma decay of a nucleus
The mass number of the nucleus changes whereas its atomic number does not change
The mass number of the nucleus does not change whereas its atomic number changes
Both the mass number and the atomic number of the nucleus change
Neither the mass number nor the atomic number of the nucleus changes
Neither the mass number nor the atomic number of the nucleus changes
In the gamma decay of a nucleus neither the mass number nor the atomic number of the nucleus changes.
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