In the two-slit experiment, the distance between the slits and the screen is 1.1 m and the distance between the slits is 0.040 mm. If the first-order bright fringe is measured to be 3.4 cm from the centerline, what is the distance between the adjacent bright fringes?
A) 1.7 cm
B) 5.1 cm
C) 7.0 cm
D) 6.8 cm
E) 3.4 cm

Question

Quizplus · Accepted Answer

The distance between adjacent bright fringes (fringe spacing) is the same as the distance from the centerline to the first-order bright fringe, which is 3.4 cm.

In the Two-Slit Experiment, the Distance Between the Slits and the Screen