Koj piav li cas lub suab ntawm nthwv dej?
Koj piav li cas lub suab ntawm nthwv dej?

Video: Koj piav li cas lub suab ntawm nthwv dej?

Video: Koj piav li cas lub suab ntawm nthwv dej?
Video: NKAUJ HMOOB NYAB LAJ - NTAJ NEEB NAB NTSUAB | MUSIC VIDEO (4K) 2024, Kaum ib hlis
Anonim

Suab yog longitudinal yoj uas muaj compressions thiab rarefactions taug kev los ntawm ib tug nruab nrab. Suab nrov tuaj yeem yog piav los ntawm tsib yam ntxwv: Wavelength, Amplitude, Lub Sijhawm-Lub Sijhawm, Zaus thiab Tshaj Tawm lossis Ceev. Qhov tsawg kawg nkaus nyob deb uas a suab yoj repeats nws tus kheej yog hu ua nws wavelength.

Tsis tas li ntawd, hom yoj twg yog suab?

Ntev nthwv dej

suab luv teb yog dab tsi? Teb : Suab yog tsim thaum ib yam dab tsi vibrates. Lub cev vibrating ua rau nruab nrab (dej, huab cua, thiab lwm yam) nyob ib ncig ntawm nws kom vibrate. Vibrations nyob rau hauv cov huab cua yog hu ua taug kev longitudinal waves, uas peb tuaj yeem hnov. Suab nthwv dej muaj xws li thaj chaw siab thiab qis qis hu ua compressions thiab rarefactions, feem.

Yog li ntawd, dej hiav txwv ua suab dab tsi?

Thaum cov nqaij ntshiv tau cog lus, lub zais zis ua luam dej vibrates, ua ib qho hollow suab . Cov no suab tau piav raws li grunts, groans, thuds, thiab barks. Qee hom, zoo li croakers, ua suab ntawm lub sijhawm pub mis, thaum lwm tus ua suab nrov thaum lub sij hawm xeeb tub.

Lub suab hu ua dab tsi?

Mus ncig Wave Suab yog tsim thaum ib yam dab tsi vibrates. Kev vibrations hauv huab cua yog hu ua taug kev longitudinal nthwv dej , uas peb tuaj yeem hnov. Suab nrov suav nrog thaj chaw siab thiab qis hu ua compressions thiab rarefactions, feem.

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