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WorksheetsBasic Laser
Total questions: 10
Worksheet time: 5mins
abbreviation of LASER?
Light Amplification by Stimulated Emission of Radiation
Lasing Amplification by Stimulated Emission of Radiation
Light Amplification by Stimulated Energy of Radiation
Light Amplification by Stimulated Emission of Radiotherapy
wavelength of laser determines...
the continuity of emissions
the period of laser being emitted
the medium of the laser
the depth of radiation penetrates tissue
Light is absorbed principally by ocular tissue that contain…
melanin
xanthophyll
hemoglobin
all answer is true
Ocular tissue that absorbs green, yellow, red and infrared is…
melanin
xanthophyll
hemoglobin
all answer is true
Placing mirrors at opposite end of a laser cavity enables the beam to travel back and forth, leading to…
decrease amplification due to shorter path through the medium
decrease amplification due to longer path through the medium
increase amplification due to longer path through the medium
increase amplification due to shorter path through the medium
The correct order of Biological tissue heating is…
Hyperthermia —> Coagulation —> Vaporization —> Carbonization
Hyperthermia —> Carbonization —> Coagulation —> Vaporization
Carbonization —> Coagulation —> Vaporization —> Hyperthermia
Vaporization —> Hyperthermia —> Coagulation —> Carbonization
Radiant exposure (or fluence) is total applied energy divided by exposure surface area, with the formula of…
J/cm2
W/cm2
J/cm3
P/A
Radiant energy density (or dose) is laser energy delivered, divide bu volume (depth of penetration), with the formula of…
J/cm2
W/cm2
J/cm3
P/A
Whis statement is true…
Smaller spot sizes require less energy
Smaller spot sizes require more energy
longer duration exposures require more energy to achieve same intensity effect
shorter duration exposures require less energy to achieve same intensity effect
Molecules are made up of atoms which are composed of ..
(-) charged nucleus and (+) charged electron orbiting at various energy level
(-) charged nucleus and (-) charged electron orbiting at various energy level
(+) charged nucleus and (-) charged electron orbiting at various energy level
(+) charged nucleus and (+) charged electron orbiting at various energy level
