Izibonelo ezi-6 zemibuzo yomphumela we-Photoelectric
1. Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. Lesi senzakalo singachazwa ngokubheka ukukhanya njengegagasi.
B. Ama-electron aphuma ebusweni bensimbi azoncipha uma imvamisa yokukhanya ikhuliswa.
C. Ukukhanya okukhulu akuthinti amandla ama-electron aphuma ebusweni bensimbi.
D. Umphumela we-photoelectric wenzeka esifundeni se-infrared.
E. Umphumela we-photoelectric uzokwenzeka, uma nje amandla okukhanya okushaya insimbi makhulu ngokwanele.
Ingxoxo
A. Umphumela we-photoelectric ungachazwa ngokubheka ukukhanya njengezinhlayiya, hhayi njengamagagasi. Amandla okukhanya awasatshalaliswa njalo njengoba amagagasi ehamba, kodwa kunalokho asakazwa ngamaphakethe amancane abizwa ngokuthi ama-photon, noma i-quanta ekhanyayo (cabanga ngawo njengamaconsi emvula).
B. Uma imvamisa yokukhanya ikhuphuka, amandla okukhanya ayakhuphuka. Uma amandla okukhanya enyuka, amandla ama-electron ayakhuphuka. Ngakho-ke, ukwandisa imvamisa yokukhanya kwandisa amandla ama-electron. Inani lama-electron akhishwayo liyancipha uma amandla okukhanya ehla.
C. Ukukhanya okunamandla kuthinta inani lama-electron aphumayo futhi akuthinti amandla ama-electron aphuma ebusweni bensimbi. Amandla e-electron athintwa amandla okukhanya kanti amandla okukhanya athintwa imvamisa yokukhanya noma ubude bokukhanya.
D. Umphumela we-photoelectric wenzeka kuma-frequency noma kuma-wavelength okukhanya kwe-ultraviolet. Ukukhanya kwe-Ultraviolet yi-threshold frequency lapho amandla e-photon angakhulula khona ama-electron ebusweni bensimbi. Ukukhanya kwe-infrared akukwazi ngoba kuphansi kakhulu, kuyilapho ama-x-ray kanye nemisebe ye-gamma kungakwenza ngoba ama-frequency awo aphezulu kunokukhanya kwe-ultraviolet.
E. Ukukhanya okunamandla kuthinta umcimbi womphumela we-photoelectric kuphela lapho amandla okukhanya emakhulu kunomsebenzi wokusebenza wensimbi, lapho ukukhanya okunamandla kuthinta inani lama-electron aphumayo futhi kungathinti amandla ama-electron aphuma ebusweni bensimbi. Umsebenzi wokusebenza wensimbi amandla amancane adingekayo ukukhulula ama-electron ebusweni bensimbi.
Impendulo efanele ngu-C.
2. Naka isitatimende esilandelayo:
(1) Umphumela we-photoelectric ungachazwa ngokuthatha ukuthi ukukhanya iqukethe amaphakheji wamandla
(2) Umcimbi womphumela we-photoelectric ungafakazela ukuthi ukukhanya kungasebenza njenge i-gelombang
(3) Amandla ama-electron akhishwa ebusweni bensimbi ancike emvamisa.
(4) Umphumela we-photoelectric wenzeka esifundeni se-infrared.
Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. (1) kanye no-(2)
B. (1) kanye no-(3)
C. (1) kanye no-(4)
D. (2) kanye (3)
E. (2) kanye no-(4)
Ingxoxo
Funda incazelo embuzweni odlule.
Impendulo efanele ingu-B.
3. Naka lesi sitatimende esilandelayo!
(1) Ukuthi ama-electron akhishwa yini ensimbini kunqunywa ubude bokukhanya okungenayo.
(2) Ukuqina kokukhanya okungenayo akuqinisekisi ukukhishwa kwama-electron ebusweni bensimbi.
(3) Ngaphansi kwemvamisa yomkhawulo, ama-electron asazokhishwa ensimbini inqobo nje uma amandla okukhanya okungenayo ekhuphukile.
Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. (1), (2), kanye (3)
B. (1) kanye (2) kuphela
C. (1) kanye no-(3) kuphela
D. (2) kanye no-(3) kuphela
E. (3) kuphela
Ingxoxo ngomphumela we-photoelectric
Isitatimende (1): Lesi sitatimende siyiqiniso. Uma ubude i-gelombang Uma ukukhanya okungenayo kuncane kunobude be-wavelength yensimbi, khona-ke ama-electron awakhishwa.
Isitatimende (2): Lesi sitatimende siyiqiniso. Ukukhishwa kwama-electron ebusweni bensimbi kuncike emvamisa noma ubude be-wavelength noma amandla okukhanya. Ukuqina kokukhanya kuthinta inani lama-electron akhishwa kuphela lapho amandla okukhanya noma imvamisa yokukhanya inkulu kunamandla omkhawulo wensimbi noma imvamisa yomkhawulo.
Isitatimende (3): Lesi sitatimende asilungile. Ama-electron akhishwa ensimbini uma imvamisa yokukhanya inkulu kunemvamisa yomkhawulo wensimbi. Ukukhishwa kwama-electron ebusweni bensimbi kuncike emandleni okukhanya. Amandla okukhanya ancike emvamisa noma kubude be-wavelength (E = hf). Ukuqina kokukhanya kuhlobene nesilinganiso sokukhishwa kwamandla okukhanya, akuthinti usayizi wamandla okukhanya.
Uma amandla okukhanya makhulu kunomsebenzi wokusebenza wensimbi (amandla amancane adingekayo ukususa ama-electron ebusweni bensimbi), amandla okukhanya athinta inani lama-electron akhishwa ensimbini. Ngokuphambene nalokho, uma amandla okukhanya engaphansi komsebenzi wokusebenza wensimbi, amandla okukhanya awathinti inani lama-electron akhishwa ensimbini.
Impendulo efanele ingu-B.
4. Naka lesi sitatimende esilandelayo!
(1) Ama-electron angakhishwa ebusweni bensimbi uma insimbi ikhanyiswe ngamagagasi kagesi.
(2) Ukuthi ama-electron ayakhishwa yini ebusweni bensimbi kuncike ekuvameni kokukhanya okungenayo.
(3) Umsebenzi wokusebenza wensimbi ngayinye uyafana
Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. (1), (2), kanye (3)
B. (1) kanye no-(2)
C. (1) kanye no-(3)
D. (2) kanye (3)
E. (3) kuphela
Ingxoxo
Isitatimende (1): Lesi sitatimende siyiqiniso. Amagagasi kagesi aqukethe izinhlobo eziningi zamagagasi anemvamisa noma ubude bamagagasi obuhlukile. Amagagasi kagesi kuphela anemvamisa noma ubude bamagagasi obukhulu kunemvamisa noma ubude bamagagasi obungakhipha ama-electron ensimbini.
Isitatimende (2): Lesi sitatimende siyiqiniso. Uma imvamisa yokukhanya incane kunemvamisa yomkhawulo wensimbi, khona-ke ama-electron awakhishwa ensimbini. Ngokuphambene nalokho, uma imvamisa yokukhanya ingaphezu kwemvamisa yomkhawulo wensimbi, khona-ke ama-electron akhishwa ensimbini.
Isitatimende (3): Lesi sitatimende asilungile. Umsebenzi womsebenzi insimbi umsebenzi omncane noma amandla amancane adingekayo ukususa i-electron ebusweni bensimbi. Umsebenzi wokusebenza wensimbi ngayinye uncike ezicini zensimbi.
Impendulo efanele ingu-B.
5. Naka lesi sitatimende esilandelayo!
(1) Amandla aphezulu e-kinetic awaxhomekile ekuqineni
(2) Umphumela we-photoelectric wenzeka esifundeni se-ultraviolet.
(3) Imvamisa yomkhawulo wazo zonke izinsimbi iyafana
(4) Imvamisa ye-photon inkulu kunemvamisa yomkhawulo
Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. (1) kanye no-(2)
B. (1) kanye no-(3)
C. (2) kanye no-(3)
D. (2) kanye (4)
E. (3) kanye no-(4)
Ingxoxo
Funda futhi ingxoxo ngomphumela we-photoelectric engxoxweni yemibuzo yokuhlolwa kazwelonke yeminyaka edlule.
Impendulo efanele ngu-D.
6. Naka izitatimende ezilandelayo!
(1) Imvamisa ye-Photon > imvamisa yomkhawulo, ama-electron akhishwa ensimbini
(2) Amandla aphezulu e-kinetic athonywa ama-electron e-photon
(3) Ukuqina kwandisa ijubane lama-electron
(4) Imvamisa = imvamisa yomkhawulo, isivinini esikhulu kakhulu se-electron
Isitatimende esifanele mayelana nomphumela we-photoelectric sithi…
A. (1) kanye no-(2)
B. (1) kanye no-(3)
C. (1) kanye no-(4)
D. (2) kanye (4)
E. (3) kanye no-(4)
Ingxoxo
Impendulo efanele ingu-B.
5. Naka lesi sitatimende esilandelayo!
(1) Ukuqina kuthinta ukuthi ama-electron akhishwa yini ensimbini noma cha.
(2) Ubude bamagagasi buthinta inani lama-electron akhishwa ensimbini.
(3) Amandla aphezulu e-kinetic athonywa yimvamisa
(4) Inani lama-electron akhishwa ensimbini lithonywa amandla uma imvamisa yokukhanya > imvamisa yomkhawulo wensimbi.
Isitatimende esifanele esingenhla mayelana nomphumela we-photoelectric sithi….
A. (1) kanye no-(2)
B. (1) kanye no-(3)
C. (1) kanye no-(4)
D. (2) kanye (3)
E. (3) kanye no-(4)
Ingxoxo
Impendulo efanele ngu-E.
Umthombo wombuzo:
Imibuzo Yefiziksi Yezivivinyo Zikazwelonke Zesikole Samabanga Aphezulu/Isikole Samabanga Aphezulu Sokufundela Umsebenzi
