If the two slits in Young's double slit experiment are of unequal width, then

Question

If the two slits in Young's double slit experiment are of unequal width, then (A) the bright fringes will have Unequal spacing (B) the bright fringes will have unequal brightness. (C) the fringes do not appear. (D) the dark fringes are not perfectly dark.

Tardigrade Admin · Accepted Answer

For sustained interference fringes, the two sources of light must be coherent and of same frequency, which is clearly not the case here Hence no fringes appear.

Q. If the two slits in Young's double slit experiment are of unequal width, then

the bright fringes will have Unequal spacing

the bright fringes will have unequal brightness.

the fringes do not appear.

the dark fringes are not perfectly dark.

For sustained interference fringes, the two sources of light must be coherent and of same frequency, which is clearly not the case here Hence no fringes appear.