If in a compound microscope $m_1$ and $m_2$ are the linear magnifications of the objective lens and the eye lens respectively,then the magnifying power of the compound microscope will be:

  • A
    $m_1 - m_2$
  • B
    $\sqrt{m_1 + m_2}$
  • C
    $(m_1 + m_2) / 2$
  • D
    $m_1 \times m_2$

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