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13. Nuclei — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics13. Nuclei1 Mark
MCQ
Fusion reaction takes place at high temperature because
  • A
    Atoms are ionised 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
d
(d) Fusion reaction takes place at high temperature because kinetic energy is high enough to overcome the coulomb repulsion between nuclei.

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