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Wheniorderingiaisixiinchitemple,iitsicorrespondingimillimeterivalueiisiw
hichiofitheifollowing?
A.i135imm
B.i140imm
C.i145imm
D.i150immi-iCorrectiAnswer-150imm
Whatiisitheifocalilengthiofiai2idiopterilens?
A.i500icm
B.i39.37iinches
C.i500imm
D.i2imetersi-iCorrectiAnswer-500imm
Wavelengthsiareimeasurediini
A.iMeters
B.iDecimeters
C.iCentimeters
D.iNanometersi-iCorrectiAnswer-Nanometers
,Whichiofitheifollowingihasitheishortestiandithereforeimostiharmfuliwav
elength?
A.iUVC
B.iUVB
C.iUVA
D.iINFRAREDi-iCorrectiAnswer-UVC
Whenitwoilightiwaveswiareiini"iniphase"itheyiwill
A.iDestroyionianother
B.iReduceieachifrontibyihalf
C.iCompoundioneianother
D.iNoneiofitheiabovei-iCorrectiAnswer-Compoundioneianother
Theicylinderiaxisitoleranceiforiai1.00DicylinderiaccordingitoiANSIiZ80.1iis
A.iPlusioriminusi7idegrees
B.iPlusioriminusi5idegrees
C.iPlusioriminusi3idegrees
D.iPlusioriminusi2idegreesi-iCorrectiAnswer-Plusioriminusi3idegrees
Aiplusilensidecenteredi"out"iwilliresultiiniaifinishedilensiwhichiisi
A.iBalanced
, B.iThickeritemporally
C.iThickerinasally
D.iUniformiiniedgeithicknessi-iCorrectiAnswer-Thickeritemporally
Aiminusilensidecenteredi"out"iwilliresultiiniaifinishedilensiwhichiis
A.iBalanced
B.iThickeritemporally
C.iThickerinasally
D.iUniformiiniedgeithicknessi-iCorrectiAnswer-Thickerinasally
Aniuncoatedinormaliplasticilensiwillireflectiapproximatelyi______%iofili
ght.
A.i2%
B.i4%
C.i8%
D.i12%i-iCorrectiAnswer-8%
Ailensihavingiaiminusicurveionibothifrontiandibackiisicalled
A.iToric
B.iMeniscus
C.iBiconvex
D.iBiconcavei-iCorrectiAnswer-Biconcave