exam) 2025 Questions and Answers
100% Pass
What is the definition of the acronym LASER? - ✔✔Light Amplification by Stimulated
Emission of Radiation
Name the specific wavelengths for laser hair removal. - ✔✔Ruby- 694 nm
Alex- 755 nm
Diode-800-810 nm
NDYAG- 1064 nm
What determines the depth of penetration? - ✔✔Dependent on wavelength & spot size
(width of laser beam)
What are the four basic parameters of laser? - ✔✔wavelength, pulse width, spot size,
fluence
How is wavelength measured? - ✔✔by the distance between two peaks and measured
in nanometers (nm)
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