Solved: PHYSICS Question for NEET

NEET PHYSICSEasy

When two deuterium nuclei fuse together to form a tritium nucleus, we get a:

Neutron

Deuteron

$\alpha$ -particle

Proton

Reaction Identification: The fusion of two deuterium nuclei ( $_{1}^{2}\text{H}$ ) can proceed via two common branches. The question specifies the branch where a tritium nucleus ( $_{1}^{3}\text{H}$ ) is formed.
Conservation Laws: Apply the conservation of mass number ( $A$ ) and atomic number ( $Z$ ) to the reaction equation: $_{1}^{2}\text{H} + _{1}^{2}\text{H} \rightarrow _{1}^{3}\text{H} + _{Z}^{A}\text{X}$
Balancing:

Identification: The particle with mass number 1 and atomic number 1 ( $_{1}^{1}\text{X}$ ) is a proton ( $_{1}^{1}\text{p}$ or $^{1}\text{H}$ ) .

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