Video: Vim li cas thiaj tseem ceeb kom muaj lub teeb?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Teeb yog cov nroj tsuag 'tsuas yog qhov chaw ntawm lub zog, yog li lawv yog tag nrho nyob ntawm teeb . Tsis zoo li tib neeg thiab tsiaj txhu uas tau txais lub zog los ntawm carbohydrates, protein thiab rog, cov nroj tsuag tsim cov tshuaj no siv lub zog los ntawm teeb thiab los ntawm carbon dioxide nyob rau hauv cov huab cua.
Ib yam li ntawd, tej zaum koj yuav nug, vim li cas lub teeb tseem ceeb?
Teeb nqa lub zog xav tau los txhawb nqa lub neej hauv ntiaj teb (photosynthesis). Teeb nqa cov ntaub ntawv xav tau siv uas peb tuaj yeem pom tau yam. Tsuas yog vim li cas vim li cas photon tuaj yeem taug kev ntawm teeb speeds yog vim nws yog massless.
Lub teeb siv rau dab tsi? Teeb zog yog siv rau pab peb pom – ib txwm siv lub hnub los yog hluav taws, los yog nrog manmadeobjects xws li tswm ciab los yog lub teeb. Teeb zog kuj siv los ntawm nroj tsuag, uas ntes cov teeb lub zog los ntawm lub hnub thiab siv nws los tsim lawv cov zaub mov.
Ib yam li ntawd, tib neeg nug, vim li cas lub teeb lub zog tseem ceeb rau peb?
Lightenergy cuam tshuam cov dej kub, cov txheej txheem lom neeg (xws li kev sib raug zoo ntawm cov tsiaj nyeg thiab cov tsiaj nyeg) thiab cov nroj tsuagphotosynthesis thiab kev loj hlob.
Lub teeb hu li cas?
Nyob rau hauv physics, lub sij hawm teeb Qee lub sij hawm hais txog toelectromagnetic hluav taws xob ntawm ib qho wavelength, seb puas pom lossis tsis pom. Hauv qhov kev nkag siab no, gamma rays, X-rays, microwaves thiab xov tooj cua waves kuj teeb . Lub zog nqus ntawm EM nthwv dej yog hu ua ib photon, thiab sawv cev rau quanta ntawm teeb.
Pom zoo:
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