🌈 Waves, Light & Optics

5 calculators in this category.

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Calculators for waves and light: the wave equation, photon energy in eV, the lens and mirror formulas with the New Cartesian sign convention, and refractive index from Snell's law.

Find wave speed, frequency or wavelength with the wave equation v = fλ, plus the time period. Works for sound, water and light waves.

Calculate the energy of a photon from its wavelength or frequency with E = hf = hc/λ. Results in joules and electronvolts, plus the other of frequency or wavelength.

Find the image distance, magnification and power of a convex or concave lens with the lens formula 1/v − 1/u = 1/f, using the New Cartesian sign convention.

Find the image distance and magnification for a concave or convex mirror with the mirror formula 1/v + 1/u = 1/f, using the New Cartesian sign convention.

Refractive Index

Find the refractive index of a medium from the angles of incidence and refraction with Snell's law n = sin i ÷ sin r, and the speed of light in that medium.