Double-Slit Interference Simulation
This simulation demonstrates the wave nature of light through double-slit interference. Adjust the parameters to see how they affect the interference pattern.
Experimental Setup
Interference Pattern
50 μm
500 μm
200 μm
100 μm
1000 μm
500 μm
400 nm
700 nm
500 nm
Simulation Results
Central Maximum Width
2.50°
Interference Maxima Spacing
0.057°
Maxima in Central Peak
8
First Minimum Angle
0.143°
Physics Formulas:
• Single-slit diffraction minima: a·sinθ = mλ ⇒ θ ≈ λ/a (for small angles)
• Double-slit interference maxima: d·sinθ = nλ ⇒ θ ≈ nλ/d
• Number of maxima in central peak: N = 2(d/a) - 1
• Angular width of central maximum: Δθ = 2λ/a
