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

Question

Quizplus · Accepted Answer

The distance between the maxima (or minima) in Young's two-slit experiment is directly proportional to the distance between the slits and the screen. Therefore, if the distance to the screen is increased, the distance between the maxima also increases.

If the Distance Between the Slits and the Screen Is