〰️ Physical Optics
Chapter 7 · 4 simulations — tap one to open it.
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Chapter 7
Young's Double-Slit
Shine light through two slits and watch interference fringes appear.
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Chapter 7
Single-Slit Diffraction
One narrow slit spreads light into a bright centre with dimmer side fringes.
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Chapter 7
Diffraction Grating
Thousands of slits give razor-sharp bright orders at d·sinθ = mλ.
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Chapter 7
Polarization (Malus's Law)
Rotate an analyser and watch the transmitted light dim as I = I₀·cos²θ.