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JAMB Physics 2014 Paper

Question : 40

Total: 41

\mathrm{^{2}_{1}X}+\mathrm{^{2}_{1}X}\rightarrow\mathrm{^{3}_{2}Y}+\mathrm{^{1}_{0}n}+\text{Energy}

Solution:

Concept:

Two light nuclei combine to form a heavier nucleus, releasing energy — this is nuclear fusion.

Explanation:

The equation shows two

^{2}_{1}\mathrm{X}

nuclei (deuterium) fusing together to produce a heavier nucleus

^{3}_{2}\mathrm{Y}

, a neutron

^{1}_{0}n

, and energy.

Combining lighter nuclei into a heavier nucleus with energy release is the defining feature of fusion.

Answer:

B. Fusion

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