Double Slit Fringe Spacing
delta_y = λ·L / d
What it says
How far apart the interference bands fall on the screen.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
delta_y | Fringe spacing (m) | L |
λ | Wavelength (m) | L |
L | Screen distance (m) | L |
d | Slit separation (m) | L |
Work it out
Enter what you know. No account needed.
Fill in all but one: λ, L, d, delta_y are all empty.
Filed under Optics · derive through it in the explorer