Qhov twg muaj zog nkag tau ntau dua alpha lossis beta?
Qhov twg muaj zog nkag tau ntau dua alpha lossis beta?

Video: Qhov twg muaj zog nkag tau ntau dua alpha lossis beta?

Video: Qhov twg muaj zog nkag tau ntau dua alpha lossis beta?
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Alpha hluav taws xob yog absorbed los ntawm lub thickness ntawm daim tawv nqaij los yog los ntawm ob peb centimeters ntawm huab cua. Beta hluav taws xob yog nkag tau ntau dua tshaj alpha hluav taws xob. Nws tuaj yeem dhau ntawm daim tawv nqaij, tab sis nws yog absorbed los ntawm ob peb centimeters ntawm lub cev nqaij daim tawv los yog ob peb millimeters ntawm txhuas.

Tsis tas li ntawd, qhov twg muaj lub zog nkag mus tshaj plaws?

Gamma Radiation thiab x-rays yog lub zog hluav taws xob hluav taws xob hluav taws xob (siab zog photons). Qhov kev faib tawm ntawm cov hluav taws xob hluav taws xob no muaj lub zog nkag tau zoo tshaj plaws. Siab zog gamma rays muaj peev xwm hla dhau ob peb centimeters ntawm cov hlau lead thiab tseem raug kuaj pom ntawm lwm sab.

Ib yam li ntawd, cov beta hais puas muaj lub zog nkag siab? Lawv ceev ceev, thiab kaj. Beta particles muaj ib qho nruab nrab nkag mus zog - lawv raug nres los ntawm ib daim ntawv ntawm txhuas lossis yas xws li perspex. Beta hais ionise atoms uas lawv dhau, tab sis tsis muaj zog li alpha particle ua.

Hauv qhov no, qhov twg muaj zog dua alpha beta lossis gamma?

Feem ntau, txawm li cas los xij, alpha hais tias yuav muaj muaj zog ntau dua tshaj lwm tus vim lawv loj heev - ib alpha particle yog zoo ib yam rau lub helium nucleus thiab muaj ob protons thiab ob neutrons, thaum ib tug beta particle yog, qhov tseem ceeb, ib qho hluav taws xob nrawm thiab a gamma ray yog photon nrog xoom

Vim li cas beta particles nkag tau ntau dua li alpha?

Beta hais yog nkag mus ntau dua alpha hais , tab sis tsis tshua muaj kev puas tsuaj rau cov ntaub so ntswg nyob thiab DNA vim hais tias cov ionizations lawv tsim ntau dav dav. Lawv taug kev deb ntawm huab cua tshaj alpha hais , tab sis tuaj yeem nres los ntawm ib txheej ntawm cov khaub ncaws lossis los ntawm ib txheej nyias ntawm cov khoom xws li txhuas.

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