Mathematics and Formulae in NDT

acoustic impedance Algebra aluminium ampere ampere per metre amplitude ratio amps angle probe antilog attenuation beam angle Calculate cavity characteristic curve coil turns compression wave cross-multiplying curie decibels decimal point defect denominator depth of penetration diameter dividing both sides dose rate dose-rate E₁ eddy current eddy current field electrical equation equivalent round example exposure exposure-time Fill Factor film density Formulae in NDT fraction frequency geometric unsharpness given gives graph inches incident inductance intensity inverse square law Iridium-192 source joule length linear absorption coefficient litres log tables logarithms to base mA.min magnetic flux density magnetic permeability material Mathematics and Formulae millimetres mR/h multiplied non-destructive testing phase lag Quantity radiation radiographic shear waves Snell's Law source-to-film distance specimen thickness square root standard depth subtract symbols system of units trigonometric functions ultrasonic beam uranium wavelength