Two narrow slits are 0.0280 mm apart.When a laser shines on them,bright fringes form on a screen that is a meter away.These fringes are 6.06 cm apart.What is the separation between the second-order bright fringe and the central fringe?
A)1.70 cm
B)12.1 cm
C)12.0 cm
D)36.8 cm
E)6.34 cm

Question

Quizplus · Accepted Answer

The separation between the second-order bright fringe and the central fringe is twice the fringe spacing (6.06 cm), which is 12.1 cm.

Two Narrow Slits Are 0