Laser Didactic Study Guide Questions
with Correct Answers 2025
Non-ionizingBradiationB-BCORRECTBANSWERB-
SupplyBenoughBenergyBtoBmoveBanBelectronBtoBaBhigherBenergyBlevelBexcitingBtheBatom.
nonBionizingBradiationBwavelengthsB-BCORRECTBANSWERB-VisibleBlightB400-700BinfraredB700-
1400BradioBwavesBmicrowavesBlongBwaves-lowBenergy
RadiationB-BCORRECTBANSWERB-
ProcessBofBemittingBradiantBenergyBinBtheBformBofBwavesBorBparticles.
ShortBwavelengthsB-BCORRECTBANSWERB-CosmicBrays,Bgramma,Brays,Bx-
rays,BultravioletBraysBlessBthanB400nm
SelectiveBphotothermolysisB-BCORRECTBANSWERB-
MechanismBusedBbyBmanyBlasersBtoBdestroyBtargetedBissues.BLightBappliedB&BphotonsBturnBheatBt
oBdestroyBtarget.
NeutronB-BCORRECTBANSWERB-
ABsubatomicBparticleBthatBhasBnoBchargeBandBthatBisBfoundBinBtheBnucleusBofBanBatom.
ProtonsB-BCORRECTBANSWERB-PositivelyBchargedBparticles
PhotonB-BCORRECTBANSWERB-
ABparticleBofBelectromagneticBradiationBwithBnoBmassBthatBcarriesBaBquantumBofBenergy.
AtomsB-BCORRECTBANSWERB-BuildingBblocksBofBmatter.
, CoherentBlightBwavesB-BCORRECTBANSWERB-
LightBwavesBhavingBtheBsameBwavelength,BwithBtheBcrestsBandBtroughsBlinedBup.
MonochromaticB-BCORRECTBANSWERB-
PureBcolor,BsingleBcolor,BsameBwavelengths,BoneBcolorBlightBofBsingleBwavelengths.
CollimatedBlightB-BCORRECTBANSWERB-StaysBtogetherBinBaBtightBbeam.
Non-coherentB-BCORRECTBANSWERB-LightBemittedBbyBnormalBmeans.
Example:
flashlightB&BlightBbulbBtheBphotonsBofBtheBmanyBwaveBfrequenciesBofBlightBareBoscillatingBinBdiffere
ntBdirections
MultipleBwavelengthsB-BCORRECTBANSWERB-BroadBspectrum,BseveralBwavelengths.
Non-collimatedB-BCORRECTBANSWERB-Divergent;startBatBaBpointB&BtravelBinBvariousBdirections.B
Example:
flashlight
MPEB-BCORRECTBANSWERB-MaximumBPermissibleBExposure
TRTB-BCORRECTBANSWERB-
ThermalBrelaxationBtime:BtheBtimeBitBtakesBforBtheBtissueBtoBremoveB50%BofBtheBtransmittedBenerg
y.
with Correct Answers 2025
Non-ionizingBradiationB-BCORRECTBANSWERB-
SupplyBenoughBenergyBtoBmoveBanBelectronBtoBaBhigherBenergyBlevelBexcitingBtheBatom.
nonBionizingBradiationBwavelengthsB-BCORRECTBANSWERB-VisibleBlightB400-700BinfraredB700-
1400BradioBwavesBmicrowavesBlongBwaves-lowBenergy
RadiationB-BCORRECTBANSWERB-
ProcessBofBemittingBradiantBenergyBinBtheBformBofBwavesBorBparticles.
ShortBwavelengthsB-BCORRECTBANSWERB-CosmicBrays,Bgramma,Brays,Bx-
rays,BultravioletBraysBlessBthanB400nm
SelectiveBphotothermolysisB-BCORRECTBANSWERB-
MechanismBusedBbyBmanyBlasersBtoBdestroyBtargetedBissues.BLightBappliedB&BphotonsBturnBheatBt
oBdestroyBtarget.
NeutronB-BCORRECTBANSWERB-
ABsubatomicBparticleBthatBhasBnoBchargeBandBthatBisBfoundBinBtheBnucleusBofBanBatom.
ProtonsB-BCORRECTBANSWERB-PositivelyBchargedBparticles
PhotonB-BCORRECTBANSWERB-
ABparticleBofBelectromagneticBradiationBwithBnoBmassBthatBcarriesBaBquantumBofBenergy.
AtomsB-BCORRECTBANSWERB-BuildingBblocksBofBmatter.
, CoherentBlightBwavesB-BCORRECTBANSWERB-
LightBwavesBhavingBtheBsameBwavelength,BwithBtheBcrestsBandBtroughsBlinedBup.
MonochromaticB-BCORRECTBANSWERB-
PureBcolor,BsingleBcolor,BsameBwavelengths,BoneBcolorBlightBofBsingleBwavelengths.
CollimatedBlightB-BCORRECTBANSWERB-StaysBtogetherBinBaBtightBbeam.
Non-coherentB-BCORRECTBANSWERB-LightBemittedBbyBnormalBmeans.
Example:
flashlightB&BlightBbulbBtheBphotonsBofBtheBmanyBwaveBfrequenciesBofBlightBareBoscillatingBinBdiffere
ntBdirections
MultipleBwavelengthsB-BCORRECTBANSWERB-BroadBspectrum,BseveralBwavelengths.
Non-collimatedB-BCORRECTBANSWERB-Divergent;startBatBaBpointB&BtravelBinBvariousBdirections.B
Example:
flashlight
MPEB-BCORRECTBANSWERB-MaximumBPermissibleBExposure
TRTB-BCORRECTBANSWERB-
ThermalBrelaxationBtime:BtheBtimeBitBtakesBforBtheBtissueBtoBremoveB50%BofBtheBtransmittedBenerg
y.