"Kng-chú" pán-pún chi-kan bô-kāng--ê tē-hng

[[ImageFile:Military laser experiment.jpg|thumb|220px|Laser sī tan-it pho-tn̂g ê kng-chú chi̍p-ha̍p chè-sêng ê kng-sòaⁿ.]]

'''Kng-chú''' ([[Eng-gí]]: ''photon'') sī [[tiān-chhû]] hiān-siōng ê chò-iōng lia̍p-chú, sī [[bu̍t-lí-ha̍k]] ê [[ki-pún lia̍p-chú]] chi-it, put-kóan jīm-hô-ê [[tiān-chû-pho]] (kng-sòaⁿ), pau-hâm [[gamma siā-sòaⁿ]], [[X siā-sòaⁿ]], [[chí-gōa-sòaⁿ]], [[khó-kiàn-kng]], [[âng-gōa-sòaⁿ]], [[bî-pho]] ia̍h-sī [[bô-sòaⁿ-tiān-pho]], lóng-sī kng-chú chò-iōng chi-hā ê piáu-siōng. Kng-chú bô [[chit-liōng]], i tī [[chin-khong]] ê ūn-tōng [[sok-tō͘ ]] sī [[kng-sok]].

<math>E</math> sī lêng-liōng; <math>h</math> sī [[Planck Siông-sò͘ ]] ; <math>\nu</math> sī kng-chú ê [[pîn-lu̍t]]; <math>{c}</math> sī kng-sok; <math>{\lambda}</math> sī kng-chú ê [[pho-tn̂g]].