Optics Formulas for JEE 2026
31 formulas in Optics (Physics) How many can you recall?
Single-slit minima
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Rayleigh criterion (circular aperture)
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Resolving Power and Angular Resolution (Rayleigh Criterion)
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Young's double slit fringe width
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YDSE path difference (bright fringes)
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Thin film reflected constructive (normal incidence checklist)
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Resultant Intensity in Interference
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Lens maker's formula
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Thin lens formula (Cartesian)
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Lens magnification (linear)
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Power of a lens
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Lenses in contact (thin)
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Refraction at spherical surface
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Lens Maker's Equation (Sign Convention Form)
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Equivalent Focal Length of Lenses in Contact
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Mirror formula
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Lateral magnification (mirror)
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Focal length of spherical mirror
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Simple microscope (angular magnification near point)
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Compound microscope (standard approximation)
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Astronomical telescope (relaxed eye)
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Magnifying Power of Astronomical Telescope
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Malus' law
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Brewster's angle
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Snell's Law (Laws of Refraction)
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Critical angle (TIR)
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Lateral shift through parallel slab
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Apparent depth (normal viewing)
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Prism refractive index (minimum deviation)
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Phase from path difference
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Optical Path Length
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