5 calculators in this category
- Wave Speed, Wavelength & Frequency Calculatorv = fλ; c = 299,792,458 m/s (SI exact)Every wave obeys one relation: speed equals frequency times wavelength. Choose which of the three you want, pick a medium —…
- Doppler Effect CalculatorClassical Doppler formula for a medium; relativistic longitudinal Doppler for lightEnter the emitted frequency and how fast the source and listener are moving, and this calculator returns the frequency actually…
- Sound Intensity & Decibel Level CalculatorISO 1683 reference quantities (I₀ = 1 pW/m², p₀ = 20 µPa)Give this calculator any one of sound intensity, sound pressure, source power or decibel level, and it returns the other three…
- Snell's Law Refraction CalculatorSnell's law of refraction (Snell–Descartes)Enter the refractive indices either side of an interface and the angle a ray strikes it, and this calculator returns the…
- Thin Lens Equation & Magnification CalculatorThin lens equation, Gaussian (real-is-positive) sign conventionGive this calculator a focal length, an object distance and an object height, and it locates the image from 1/f = 1/d₀ + 1/dᵢ…