Dab tsi yog electromagnetic thiab mechanical waves?
Dab tsi yog electromagnetic thiab mechanical waves?

Video: Dab tsi yog electromagnetic thiab mechanical waves?

Video: Dab tsi yog electromagnetic thiab mechanical waves?
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Ib electromagnetic nthwv dej yog nthwv dej uas muaj peev xwm xa nws lub zog los ntawm lub tshuab nqus tsev (piv txwv li, qhov chaw khoob). Electromagnetic tsis yog tsim los ntawm kev vibration ntawm charged hais. Mechanical waves xav tau ib qho nruab nrab txhawm rau thauj lawv lub zog los ntawm ib qho chaw mus rau lwm qhov.

Kuj nug, dab tsi yog qhov txawv ntawm mechanical thiab electromagnetic waves?

Electromagnetic tsis yog nthwv dej uas tsis muaj nruab nrab mus ncig whereas mechanical waves xav tau ib tug nruab nrab rau nws kis tau tus mob. Electromagnetic tsis taug kev hauv lub tshuab nqus tsev hos mechanical waves tsis txhob. Thaum ib electromagnetic yoj hu ua kev ntxhov siab xwb, a mechanical yoj suav hais tias yog ib qho kev cuam tshuam ib ntus.

Tsis tas li ntawd, thaum lub nthwv dej tuaj yeem suav tias yog txhua yam electromagnetic? A mechanical yoj yuav tsum tau pib lub zog tawm tswv yim. Thaum lub zog pib no ntxiv, lub yoj taug kev los ntawm qhov nruab nrab kom txog thaum tag nrho nws lub zog hloov mus. Piv txwv li, electromagnetic tsis yuav tsum tsis muaj nruab nrab, tab sis ua tau tseem taug kev los ntawm ib qho.

Nyob rau hauv no hais txog, dab tsi mechanical nthwv dej thiab electromagnetic tsis muaj nyob rau hauv?

Electromagnetic tsis txawv ntawm mechanical waves hauv lawv ua tsis xav tau qhov nruab nrab los nthuav tawm. Qhov no txhais tau tias electromagnetic tsis tuaj yeem taug kev tsis tsuas yog los ntawm huab cua thiab cov khoom siv, tab sis kuj los ntawm lub tshuab nqus tsev.

Dab tsi yog mechanical waves siv rau?

Mechanical waves yog nthwv dej uas xav tau ib qho nruab nrab txhawm rau thauj lawv lub zog los ntawm ib qho chaw mus rau lwm qhov. Vim mechanical waves cia siab rau kev sib cuam tshuam hauv cov khoom siv txhawm rau txhawm rau thauj lawv lub zog, lawv tsis tuaj yeem taug kev los ntawm cov cheeb tsam ntawm qhov chaw uas tsis muaj qhov seem.

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