If the distance between the slits in Young's two-slit experiment is decreased, which one of the following statements is true of the interference pattern?
A) The distance between the maxima stays the same.
B) The distance between the maxima decreases.
C) The distance between the minima stays the same.
D) The distance between the minima increases.
E) Impossible to tell without knowing the wavelength of light in use.

Question

Quizplus · Accepted Answer

The distance between the interference fringes (both maxima and minima) is inversely proportional to the slit separation. Therefore, decreasing the slit separation increases the distance between the fringes.

If the Distance Between the Slits in Young's Two-Slit Experiment