Wave Optics — Formula Sheet
Telangana Open School (TOSS) · Class 12 · Physics
8 formulas from Wave Optics (Telangana Open School (TOSS) Class 12 Physics) on one page, grouped by topic. Includes Constructive interference.
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Formulas and Key Relations
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
Interference of Light
Constructive interference
Path difference = nλ; Phase difference = 2nπ.
Minima when path difference = nλ.
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