candela hauv American English (kænˈdilə) noun. ib chav tsev ntawm luminous siv, txhais tau tias yog qhov kev siv lub teeb ci ntawm qhov chaw uas emits monochromatic hluav taws xob ntawm zaus 540 × 1012hertz thiab uas muaj qhov siv zog ntawm 1/683 watt / steradian: saws hauv 1979 raws li tus txheej txheem thoob ntiaj teb ntawm luminous siv.
candela txhais li cas?
: lub hauv paus chav tsev ntawm luminous siv nyob rau hauv International System of Units uas yog sib npaug rau luminous siv nyob rau hauv ib tug muab kev taw qhia ntawm ib qhov chaw uas emits monochromatic hluav taws xob zaus 540 × 1012 hertz thiab muaj qhov ci ntsa iab nyob rau hauv qhov kev coj ntawm ¹/₆₈₃ watt per unit solid angle -abbreviation cd.
candela siv rau dab tsi?
Lub candela yog siv ntsuas qhov pom kev siv ntawm lub teeb pom kev, zoo li qhov muag teev lossis qhov muag teev hauv torches. Nws tsuas yog SI lub hauv paus raws li tib neeg kev nkag siab.
Qhov txawv ntawm lumens thiab candela yog dab tsi?
Lumens yog hais txog tag nrho cov teeb pom kev zoo los ntawm lub teeb pom kev zoo thiab yog L. Qhov siab dua qhov lumens tus nqi ntawm lub teeb pom kev zoo, qhov ntau dua yog qhov chaw taws teeb los ntawm nws. Ntawm qhov tod tes, candela hais txog tus nqi ntawm lub teeb tawm los ntawm lub teeb pom kev hauv ib qho kev taw qhia.
Candela Ameslikas yog dab tsi?
Tus qauv qub yog raws li lub teeb emission ntawm taws tswm ciab, ces yoglub ci los ntawm molten platinum, tab sis tom qab ntawd tej yam tau nyuaj dua.