- Thaum lub teeb mus los ntawm qhov nruab nrab, nws cuam tshuam nrog qhov nruab nrab thiab qhov no ua rau lub teeb tawg. - Photons yog absorbed los ntawm molecules nyob rau hauv nruab nrab, thiab qhov no ua rau lub molecules co co thiab ces rov emit lub photons. … - Lub teeb tawg zuj zus ntxiv nrog zaus.
Dab tsi ua rau tawg?
Mie tawg yog tshwm sim los ntawm paj ntoos, plua plav, pa luam yeeb, tee dej, thiab lwm yam khoomnyob rau hauv qis ntawm qhov chaw. Nws tshwm sim thaum cov khoom ua rau tawg loj dua qhov wavelengths ntawm hluav taws xob nyob rau hauv kev sib cuag nrog lawv.
Vim li cas tawg ntawm lub teeb tshwm sim?
Lub oscillating hluav taws xob teb ntawm lub teeb nthwv dej ua rau cov nqi hauv ib qho, ua rau lawv txav ntawm tib zaus. Cov particle, yog li ntawd, dhau los ua ib qho me me radiating dipole uas nws cov hluav taws xob peb pom raws li lub teeb tawg.
Dab tsi yog qhov ua rau tawg ntawm lub teeb Chav Kawm 10?
Thaum lub teeb nthwv dej dhau los ntawm qee yam khoom nruab nrab uas muaj qee qhov me me, ces lub teeb ci tau deflected los ntawm txoj kev ncaj thiab tawg mus rau txhua qhov kev taw qhia. Qhov no tshwm sim vim lub teeb yog absorbed los ntawm cov hais nyob rau hauv daim ntawv ntawm lub zog.
Lub teeb twg tawg tau yooj yim?
Lub teeb ntawm luv luv wavelength (xws li xiav thiab violet pom lub teeb) tawg yooj yim dua vim tias huab cua molecules (oxygen thiab nitrogen gas molecules) tam sim no nyob rau hauv huab cua me dua li ntawm wavelength ntau yam ntawm pom lub teeb. Yog li, nws tawg lub teeb xiav feem ntau.
