HINT

$($a$)I=(0\mathrm{.}750)I_0$

$($b$)I=(0\mathrm{.}500)I_0$

$($c$)I=(0\mathrm{.}250)I_0$

$($d$)I=0$

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$[-/1$ Points$]$

$$ SERCP$1124.$A$.$P$\mathrm{.}064.$ the slits.

$\frac{m_2}{m_1}=$

$($b$)$ Find the minimum values of $m_1$ and $m_2$ such that the overlapping of the bright fringes will occur.

$m_1=$

$m_2=$

Find the position of the overlap on the screen. cm from the central maximum