Position of Bright Fringe

Rarely Tested

Position of Bright Fringe

### Formula

$$y_n=n\frac{\lambda D}{d}$$

### Terminologies

- yn → Position of nth bright fringe.

- n → Fringe order.

### Conditions / Special Cases

For central bright fringe:

$$n=0$$

### Usage

- Used to locate bright fringes in YDSE.

No related questions available for this formula yet.

Go back to topics

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.

Enroll Now