The process by which protons are converted into helium atoms with a tremendous release of energy is called?
A) thermionic emission
B) nuclear fission
C) thermonuclear fusion
D) photoelectric emission
The correct answer is C.
Explanation:
Thermionic emission: thermally induced flow of charge
Nuclear fission: nuclear reaction or a radioactive decay process
Photoelectric emission: emission of electrons or other free carriers when light shines on a material
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