Laser hair removal Exam 2024 Questions and Answers

Laser hair removal Exam 2024 Questions and Answers what does the word LASER stand for? - Answer ️️ -light amplification stimulated emission of radiation what are the four characteristics of a wave? - Answer ️️ -wavelength, frequency, velocity, amplitude wavelength - Answer ️️ -distance between 2 peaks of the wave measured in nanometers frequency - Answer ️️ -number of wave cycles per second; measured in hertz velocity - Answer ️️ -speed of light amplitude - Answer ️️ -height of the wave what is the common standard of measure used for a wavelength? - Answer ️️ -nanometers explain the correlation between the wavelength, energy, frequency, amplitude, and penetration to the surface - Answer ️️ --shorter waves have more energy, higher frequency, higher amplitudes, less penetration -long waves have less energy, less frequency, less amplitudes, more penetration what is the range for visible light? (nm) - Answer ️️ -400-780nm what are actinic rays? - Answer ️️ -damaging rays that come from the sun what wavelengths are considered to be actinic? - Answer ️️ -0-400nm what wavelengths for IR light? - Answer ️️ -780-10,000 what is spontaneous emission? - Answer ️️ -process of energy absorption by electrons and emitting spontaneously