Q157 / 160 · AP EAMCET 2023 (16 May Shift 2) · Physics

The nucleus having highest binding energy per nucleon is

  • A
    ${ }_8^{16} \mathrm{O}$
  • Correct answer
    B
    ${ }_{26}^{56} \mathrm{Fe}$
  • C
    ${ }_{84}^{208} \mathrm{~Pb}$
  • D
    $\frac{4}{2} \mathrm{He}$

Solution

The binding energy per nucleon is practically independent of the atomic number for nuclei of mass number in range $30 < \mathrm{A} < 17^{\circ}$. So, $26^{\mathrm{Fe}^{56}}$ has maximum binding energy per nucleon.

Hence, the correct answer is option: 'B'.

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