"Brightness" yog yav tas los siv los ua lub ntsiab lus rau lub sij hawm photometric luminancethiab (tsis raug) rau lub sij hawm radiometric radiance. … Hais txog cov hnub qub, qhov ci ntsa iab yog suav tias yog qhov pom tseeb thiab qhov loj kawg nkaus. Brightness yog ib qho piv txwv ntawm qhov dimness lossis dullness.
lo lus chav kawm yog qhov kaj?
lus Askiv phau ntawv txhais lus rau kev ci ntsa iab
brightness. / (ˈbraɪtnɪs) / noun.
Puas ci ntsa iab zoo ib yam li luminance?
Vim luminance thiab illuminance yog quantifiable, lawv tsis sib hloov nrog brightness. Luminance yog qhov ntsuas tau zoo ntawm lub teeb uas zoo sib xws rau qhov ci, uas peb tsis tuaj yeem ntsuas qhov tseeb.
Puas ci ntsa iab yog kev siv?
Brightness, hauv physics, qhov kev xav pom qhov pom muaj feem cuam tshuam rau qhov kev siv ntawm lub teeb emanating los ntawmib qho chaw los yog los ntawm qhov chaw taw tes (saib luminous siv).
qhov zoo ntawm qhov ci hu ua dab tsi?
hloov thaum dawb lossis dub ntxiv) • Intensity: qhov zoo ntawm qhov ci thiab purity (siab siv=xim muaj zog thiab ci; qis siv=xim yog faint thiab dull) Kev ntxhib los mos Ib qho kev kos duab uas hais txog txoj kev xav, lossis zoo li yog tias lawv xav tau yog kov.
