Puas yog peb cov khoom siv yas crystalline lossis amorphous?Ua ntej, peb yuav tsum to taub dab tsi yog qhov tseem ceeb sib txawv ntawm crystalline thiab amorphous.Crystals yog atoms, ions lossis molecules uas tau teeb tsa hauv qhov chaw raws li qee lub sijhawm los tsim cov khoom nrog qee yam geometric s ...
Thaum lub teeb ua rau cov khoom yas, ib feem ntawm lub teeb yog reflected los ntawm qhov chaw ntawm cov khoom los tsim cov luster, thiab lwm qhov ntawm lub teeb yog refracted thiab xa mus rau sab hauv ntawm cov yas.Thaum ntsib cov xim pigment, kev xav, refraction thiab kis tau tshwm sim ...