Question : The British physicist named Paul Dirac was known to have introduced the concept of _________ in 1930.
Option 1: thermal ionisation
Option 2: cosmic radiation
Option 3: nuclear model of the atom
Option 4: antiparticle
Correct Answer: antiparticle
Solution : The correct option is antiparticle .
The idea of an antiparticle was first proposed in 1930 by the British scientist Paul Dirac. The discovery of antimatter particles such as the positron signalled a breakthrough in particle physics, as experimental confirmation of this prediction was obtained.
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