MCQ
The slits in a Young's double slit experiment have equal widths and the source is placed symmetrically relative to the slits. The intensity at the central fringes is $\mathrm{I}_0.$ If one of the slits is closed, the intensity at this point will be
  • A
    $\mathrm{I}_0$
  • $I_0 / 4$
  • C
    $I_0 / 2$
  • D
    $4 \mathrm{I}_0$

Answer

Correct option: B.
$I_0 / 4$
$I_0 / 4$

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