Wave Optics
Telangana Open School (TOSS) · Class 12 · Physics
All formulas from Wave Optics in Telangana Open School (TOSS) Class 12 Physics. Key equations, constants, and identities for board exam preparation.
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Formulas
Interference of Light
Path difference = nλ (for bright fringes)
Path difference = (2n+1)λ/2 (for dark fringes)
Fringe width β = λD/d
Diffraction of Light
a sinθ = nλ (minima in single-slit diffraction)
a sinθ = (2n+1)λ/2 (secondary maxima)
Polarisation of Light
μ = tan i_p
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