A) alpha particles
B) beta particles
C) gamma photons
D) neutrons
Correct Answer: C
Solution :
The nuclear reaction can be represented as \[_{3}L{{i}^{7}}+{{+}_{1}}{{H}^{1}}{{\xrightarrow[{}]{{}}}_{4}}B{{e}^{8}}{{+}_{z}}{{X}^{A}}\] Applying conservation of atomic number (charge), \[3+1+4+Z\Rightarrow Z=0\] Applying conservation of atomic mass, \[7+1=8+A\Rightarrow A=0\] Thus, the emitted particles are \[\gamma \]-photons \[{{(}_{0}}{{X}^{0}})\].
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