If three slits are used in Young's experiment instead of two, we get

Instead of using two slits as in Youngs experiment, if we use two separate but identical sodium lamps, it will result into

If white light is used in a Young's double slit experiment,

Instead of using two slits as in young.s experiment, if we use two separate but identical sodium lamps, which of the following occur a) uniform illumination is observed b) widely separate interference c) very bright maximum d) very minimum.

If white light is used in Young’s double-slit experiment,