Dab tsi yog qhov opposite ntawm ib tug compressional yoj?
Dab tsi yog qhov opposite ntawm ib tug compressional yoj?

Video: Dab tsi yog qhov opposite ntawm ib tug compressional yoj?

Video: Dab tsi yog qhov opposite ntawm ib tug compressional yoj?
Video: Yog Li Ntawd Qhov No Yog Qhov uas tus Tswv Rov Qab Los Li Cas (Ntsiab Lus Tseem Ceeb) 2024, Kaum ib hlis
Anonim

Ntev nthwv dej yog nthwv dej nyob rau hauv uas qhov kev hloov ntawm qhov nruab nrab yog nyob rau hauv tib txoj kev raws li, los yog lub rov qab kev taw qhia rau, cov kev taw qhia ntawm propagation ntawm lub yoj . Lwm yam tseem ceeb ntawm yoj yog cov transverse nthwv dej , nyob rau hauv uas lub displacements ntawm nruab nrab yog nyob rau ntawm txoj cai ces kaum rau cov kev taw qhia ntawm propagation.

Ib yam li ntawd, compression yoj txhais li cas?

Txhais ntawm compressional yoj .: ib longitudinal yoj (xws li suab yoj ) propagated los ntawm elastic compression ntawm qhov nruab nrab. - hu ua compression yoj.

Kuj Paub, cov piv txwv ntawm compressional tsis yog dab tsi? Cov yoj pem hauv ntej nthuav tawm los ntawm kev tawg yog qhov ua tau zoo tshaj plaws piv txwv ntawm a compressional yoj.

Qee qhov piv txwv ntawm Compressible waves yog:

  • Kev vibrations hauv gases.
  • Oscillations nyob rau hauv caij nplooj ntoos hlav.
  • Suab nrov.
  • Internal dej nthwv dej.
  • Seismic thawj nthwv dej.

Nyob rau hauv txoj kev no, dab tsi yog ob feem ntawm compressional nthwv dej?

A compression yog cov ib feem ntawm yoj (los yog Slinky) uas yog nias ua ke - qhov no zoo li lub crest lossis ncov ntawm lub yoj . Ib qho rarefaction yog qhov ib feem ntawm yoj (los yog Slinky) uas yog qhov sib nrug tshaj plaws - qhov no zoo li lub trough ntawm yoj.

Compressional txhais li cas?

Kev txhais lus rau compressional compression. [k?m-prĕsh'?n] Lub zog uas nyhav kom luv lossis nyem ib yam dab tsi, txo nws qhov ntim. Qhov degree uas ib yam khoom tau txo qis hauv qhov loj (hauv ntim, ntev, lossis lwm qhov loj me) tom qab los yog thaum muaj kev ntxhov siab. Saib kuj mob.

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