Nuclei Ques 20
20. If in nuclear fusion process the masses of the fusing nuclei be $m_1$ and $m_2$ and the mass of the resultant nucleus be $m_3$, then
[2004]
(a) $m_3>(m_1+m_2)$
(b) $m_3=m_1+m_2$
(c) $m_3=|m_1-m_2|$
(d) $m_3<(m_1+m_2)$
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Answer:
Correct Answer: 20.(d)
Solution:
$m_3 < (m_1 + m_2) ( \because m_1+m_2=m_3+E]$ as $E = [m_1+m_2-m_3] C^2 $