Cov txheej txheem:
Video: Lub teeb qhov chaw yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A Teeb Kev daws
Qhov no yog feem ntau feem ntau cov Qhov tshwm sim ntawm lub teeb hloov kho hu ua qhov chaw teeb ” - pab pawg ntawm teeb siv rau illuminate ib tug loj cheeb tsam ntawm qhov chaw nrog ib tug txawm theem. Cov qhov chaw teeb, qee zaum hu ua a chim lub teeb, yog ib tug cylindrical raj ntawm diffusion uas hangs down los ntawm los yog ib ncig lub teeb fixture.
Ib yam li ntawd, tib neeg nug, 3 hom teeb pom kev zoo li cas?
Muaj peb yooj yim hom teeb pom kev zoo uas ua hauj lwm ua ke teeb koj lub tsev: General, Task and Accent. Ib qho zoo teeb pom kev zoo txoj kev npaj ua ke tag nrho peb hom rau teeb ib cheeb tsam, raws li kev ua haujlwm thiab style. General Teeb pom kev zoo muab ib cheeb tsam nrog tag nrho illumination.
Tsis tas li ntawd, qhov sib txawv ntawm lub teeb thiab teeb pom kev zoo yog dab tsi? Raws li verbs qhov sib txawv ntawm lub teeb thiab lub teeb yog tias teeb yog pib (qhov hluav taws kub) los yog teeb tuaj yeem yog (nautical) tshem tawm lub nkoj, lossis cov khoom siv dav hlau kom nws sib zog lossis teeb tuaj yeem nrhiav tau los ntawm lub sijhawm teeb yog ( teeb ).
Yog li ntawd, lub hom phiaj ntawm lub teeb yog dab tsi?
Koj yeej tsis pom tus teeb taug kev los ntawm qhov chaw. Tsuas yog li cas cov teeb hloov tom qab nws hits ib yam dab tsi thiab xav txog. Cov lub hom phiaj ntawm lub teeb yog qhia cov khoom ntawm cov khoom uas nws tsoo nrog.
Dab tsi yog hom teeb?
Ntau hom teeb pom kev zoo lossis teeb hauv lub teeb pom kev zoo
- Lub teeb incandescent.
- Compact fluorescent teeb.
- Halogen teeb.
- Hlau halide Teeb.
- Lub teeb Emitting Diode.
- Fluorescent tube.
- Neon teeb.
- High siv tso tawm teeb.
Pom zoo:
Lub teeb sib tham txog tej yam ntuj tso thiab manmade qhov chaw ntawm lub teeb yog dab tsi?
Tej qhov chaw ntawm lub teeb muaj xws li lub hnub, hnub qub, hluav taws, thiab hluav taws xob nyob rau hauv cua daj cua dub. Tseem muaj qee cov tsiaj thiab nroj tsuag uas tuaj yeem tsim lawv tus kheej lub teeb, xws li fireflies, jellyfish, thiab nceb. Qhov no hu ua bioluminescence. Artificial light yog tsim los ntawm tib neeg
Dab tsi yog qhov txawv ntawm qhov chaw thiab qhov chaw?
Raws li lub npe qhov txawv ntawm qhov chaw thiab qhov chaw yog qhov chaw yog (tso tseg) kev tu siab, kev tu siab orsite tuaj yeem yog qhov chaw uas txhua yam raug kho; qhov xwm txheej; txoj hauj lwm hauv zos; xws li, qhov chaw ntawm lub nroog los yog ntawm ahouse thaum qhov chaw yog ib qho chaw tshwj xeeb lossis qhov chaw nyob hauv lub cev
Dab tsi yog qhov kev hloov pauv ntawm cov khoom uas txav ntawm qhov chaw mus rau qhov chaw ntawm - 12 m?
Kev piav qhia: Qhov kev txav ntawm ib qho khoom txav ntawm qhov chaw mus rau qhov chaw ntawm − 12 m yog 12 meters. Qhov kev ncua deb ntawm lub hauv paus chiv keeb mus rau qhov siab tshaj plaws txoj hauj lwm yog hu ua displacement ntawm ib yam khoom. Qhov siab tshaj plaws kev hloov pauv ntawm cov khoom nyob rau hauv ib nthwv dej yog hu ua crest thiab qhov tsawg kawg nkaus hloov pauv yog hu ua trough
Dab tsi yog qhov txawv ntawm wavelength ntawm lub teeb liab thiab lub teeb violet?
Violet lub teeb yog hluav taws xob hluav taws xob hluav taws xob nrog wavelengths ntawm 410 nanometers thiab lub teeb liab muaj awavelength ntawm 680 nanometers. Qhov ntau ntawm wavelengths (400 - 700 nm) ntawm lub teeb pom kev yog nyob nruab nrab ntawm lub electromagnetic spectrum (Fig.1)
Lub ntsiab lus ntawm qhov chaw ntawm lub teeb yog dab tsi?
Cov peev txheej ntuj xa mus rau cov peev txheej uas tam sim no ib txwm muaj thiab tsis tau tsim los ntawm tib neeg. Qee qhov chaw ntawm lub teeb pom kev zoo yog: Lub Hnub: Lub Hnub yog qhov tseem ceeb tshaj plaws ntawm lub teeb ntuj hauv ntiaj teb. Lub hnub yog lub hnub qub thiab tau txais nws lub zog los ntawm cov txheej txheem ntawm nuclear fusion