Electromagnetic nthwv dej tsis zoo li lub suab nthwv dej vim lawv tsis xav tau cov molecules mus ncig. Qhov no txhais tau hais tias electromagnetic nthwv dej tuaj yeem taug kev hauv huab cua, khoom siv thiab txawm tias qhov chaw.
Ntev npaum li cas electromagnetic nthwv dej taug kev?
Raws li deb npaum li cas lawv tuaj yeem taug kev hauv lub tshuab nqus tsev, lub zog hluav taws xob hluav taws xob nce mus txog qhov kawg. Xov tooj cua tsis yog ib feem ntawm cov electromagnetic spectrum, yog li cov lus teb yog nyob deb li cas koj xav hais. Kuv xav tias qhov deb tshaj plaws tsis tau tshawb pom los ntawm xov tooj cua telescopes tau mus ze li 14 billion mais.
Yuav ua li cas electromagnetic nthwv dej sai sai?
Feem ntau hais lus, peb hais tias lub teeb taug kev hauv nthwv dej, thiab txhua qhov hluav taws xob hluav taws xob mus los ntawm tib qhov ceev uas yog kwv yees li 3.0 10 8 meters ib oblos ntawm lub tshuab nqus tsev. … Peb hu qhov no “kev ceev ntawm lub teeb”; tsis muaj dab tsi tuaj yeem txav nrawm dua li lub teeb nrawm.
Yuav ua li cas electromagnetic tsis txav teeb meem thaum lawv mus?
Electromagnetic nthwv dej yog nthwv dej uas muaj cov hluav taws xob vibrating thiab magnetic teb. Lawv hloov zog los ntawm teeb meem lossis hla qhov chaw. … Ib qho hluav taws xob nthwv dej yog nthwv dej hla uas tuaj yeem hla qhov chaw thiab dhau los ntawm teeb meem.
Vim li cas hluav taws xob nthwv dej tuaj yeem mus hauv lub tshuab nqus tsev?
Kev nthuav tawm ntawm cov hluav taws xob tsis zoo nyob rau hauv ib qho nruab nrab lossis hauv lub tshuab nqus tsev yog vim qhov kev hloov pauv ntawm hluav taws xob thiab sib nqusfield. … Cov kev hloov pauv no hauv cov teb hluav taws xob thiab cov hlau nplaum ua rau kev hloov pauv ntawm lub zog uas nqa los ntawm EM yoj.
