Video: Yuav ua li cas tshwm sim rau ib lub caij thaum nws dhau mus beta lwj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Beta lwj tshwm sim thaum tsis ruaj tsis khov nucleus emitsa beta particle thiab zog. A beta particle yog ob qho tib si electron los yog ib tug positron. A: Hauv beta - rho tawm lwj anatom tau txais ib qho proton, thiab nws beta - ntxiv lwj nws losses proton. Nyob rau hauv txhua rooj plaub, lub atom yuav txawv keeb vim nws muaj ntau tus lej ntawm protons.
Ntawm no, lub ntsiab lus dab tsi dhau los ntawm beta lwj?
Beta lwj tshwm sim thaum, nyob rau hauv ib tug nucleus uas muaj ntau protons los yog ntau neutrons, ib tug ntawm cov protons los yog neutronsis hloov. rau hauv lwm tus. Hauv beta rho tawm lwj , ib neutron decays rau hauv proton, electron, thiab antineutrino: n Æ p + e - +.
Tsis tas li ntawd, yuav ua li cas tshwm sim rau ib lub atom thaum nws dhau los ntawm radioactive decay? Thaum ib atom emits hluav taws xob undergoesradioactive lwj . Nws tuaj yeem hloov pauv los ntawm ib qho isotope mus rau lwm qhov. Tej zaum nws yuav dhau los ua qhov sib txawv tag nrho. Thaum tshav kub kub-14 lwj los ntawm emitting ib tug beta particle, nws ua nitrogen-14.
Ntxiv rau qhov no, yuav ua li cas rau ib lub caij thaum nws lwj?
Xov tooj cua lwj yog tus txheej txheem nyob rau hauv uas unstable nuclei ntawm radioactive atoms ua ruaj khov los ntawm emittingcharged hais thiab lub zog. Alpha thiab beta lwj pauv ib keeb rau hauv lwm tus. Gamma lwj tsis. Radioactive lwj tuaj yeem ua rau muaj sia nyob.
Yuav ua li cas tshwm sim hauv beta minus decay?
Hauv beta rho tawm (β−) lwj , ib tug neutron hloov mus rau ib tug proton, thiab cov txheej txheem tsim ib tug electron thiab ib tug electron antineutrino; thaum nyob hauv beta ntxiv (β+) lwj , ib tug proton hloov mus rau ib tug neutron thiab cov txheej txheem tsim ib tug positron thiab anelectron neutrino. ua β+ lwj tseem hu ua aspositron emission.
Pom zoo:
Yuav ua li cas tshwm sim rau tam sim no nyob rau hauv ib tug parallel circuits thaum ntxiv qhov muag teev?
Raws li ntau qhov muag tau ntxiv, qhov tam sim no nce. Raws li ntau resistors ntxiv nyob rau hauv parallel, tag nrho tam sim no lub zog nce. Yog li ntawd, tag nrho cov tsis kam ntawm Circuit Court yuav tsum tau txo. Qhov tam sim no nyob rau hauv txhua lub teeb yog tib yam vim hais tias tag nrho cov qhov muag teev glowed nrog tib brightness
Yuav ua li cas tshwm sim thaum magma txias thaum lub sij hawm lub pob zeb quizlet?
Raws li cov magma cools, loj thiab loj muaju tsim raws li lub pob zeb hardens. Yog tias magma tawm hauv lub ntiaj teb, lub pob zeb molten tam sim no hu ua lava. Thaum cov lava no txias rau ntawm lub ntiaj teb saum npoo, nws tsim cov pob zeb extrusive igneous. Lava txias sai heev, yog li cov pob zeb extrusive igneous tsis muaj crystals zoo
Vim li cas lub caij nplooj ntoos hlav ncab hauv koj qhov kev sim thaum cov khoom txav mus rau hauv txoj kev ncig?
Feem ntau, cov khoom txav mus rau hauv txoj kev ncig vim lub caij nplooj ntoos hlav yog lub zog ntawm cov khoom mus rau qhov chaw ntawm txoj kev ncig. Muaj kev tsis sib haum xeeb ntawm lub zog no thiab cov khoom inertia. Yog li ntawd lub caij nplooj ntoos hlav stretches tawm vim hais tias ntawm cov khoom tangential ceev thiab inertia?
Yuav ua li cas tshwm sim rau lub parallel phaj capacitor thaum lub dielectric muab tso rau ntawm daim hlau?
Thaum cov khoom siv dielectric tau qhia nruab nrab ntawm daim hlau Thiab thaum cov khoom siv dielectric muab tso rau nruab nrab ntawm daim hlau ntawm cov paib sib npaug ntawm cov phaj capacitor ces vim polarization ntawm cov nqi ntawm ob sab ntawm dielectric, nws tsim hluav taws xob teb ntawm nws tus kheej uas ua nyob rau hauv ib qho kev taw qhia opposite. rau lub teb vim
Yuav ua li cas tshwm sim thaum lub zog pauv ntawm ib yam khoom mus rau lwm tus?
Lub zog yog pauv los ntawm ib qho khoom mus rau lwm qhov thaum muaj qhov tshwm sim tshwm sim. Lub zog los ntawm ntau hom thiab tuaj yeem hloov los ntawm ib yam khoom mus rau lwm qhov xws li cua sov, lub teeb, lossis kev txav mus los, rau npe ob peb. Daim ntawv ntawm lub zog no hu ua kinetic zog