Quick Reference

Physics, Chemistry & Math Formula Sheet

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Physics • Electricity

V = I × R

Variables: V: Voltage (V), I: Current (A), R: Resistance (Ω)

Physics • Electricity

H = I² × R × t

Variables: H: Heat Energy (J), I: Current, R: Resistance, t: Time

Physics • Light

1/f = 1/v + 1/u

Variables: f: Focal Length, v: Image Distance, u: Object Distance

Physics • Light

P = 1 / f(m)

Variables: P: Power (Dioptres D), f: Focal length in meters

Chemistry • Solutions

M = Moles of Solute / Volume of Solution (L)

Variables: M: Molarity (mol/L)

Mathematics • Trigonometry

sin²(θ) + cos²(θ) = 1

Variables: θ: Angle in degrees or radians