MCQ
Fusion reactions take lace at high temperature because:
  • A
    Atoms are ionized at high temperature.
  • B
    Molecules break up at high temperature.
  • C
    Nuclei break up at high temperature.
  • Kinetic energy is high enough to overcome repulsion between nuclei.

Answer

Correct option: D.
Kinetic energy is high enough to overcome repulsion between nuclei.
Extremely high temps needed for fusion because $K.E.$ should large enough to overcome repulsion between nuclei.

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