Width of Central Maximum

Rarely Tested

Width of Central Maximum

### Formula

$$W=\frac{2\lambda D}{a}$$

### Terminologies

- W β†’ Width of central maximum.

- a β†’ Slit width.

### Conditions / Special Cases

Central maximum is twice the width of other maxima.

### Usage

- Used in diffraction pattern calculations.

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.