Mienzaniso mitanhatu yeMibvunzo yeMhedzisiro yePhotoelectric
1. Chirevo chakarurama pamusoro pemhedzisiro ye photoelectric ndechekuti…
A. Chiitiko ichi chinogona kutsanangurwa nekufunga nezvechiedza semafungu.
B. Maerekitironi anobuda pamusoro pesimbi achaderera kana frequency yechiedza ikawedzerwa.
C. Kupenya kwechiedza hakukanganisi simba remaerekitironi anobuda pamusoro pesimbi.
D. Mhedzisiro yemagetsi inoitika munzvimbo ye infrared.
E. Mhedzisiro yemagetsi inobuda, chero bedzi simba rechiedza richirova simbi rakakura zvakakwana.
Kukurukurirana
A. Mhedzisiro yemagetsi inogona kutsanangurwa nekufunga nezvechiedza sezvikamu, kwete semafungu. Simba rechiedza harigoverwe nguva dzose sekufamba kwemafungu, asi mumapaketi madiki anonzi maphoton, kana kuti light quanta (funga nezvawo semadonhwe emvura).
B. Kana frequency yechiedza ikawedzerwa, simba rechiedza rinowedzerwa. Kana simba rechiedza rikawedzerwa, simba remaerekitironi rinowedzerwa. Saka, kuwedzera frequency yechiedza kunowedzera simba remaerekitironi. Huwandu hwemaerekitironi anoburitswa hunoderera kana simba rechiedza rikadzikira.
C. Kupenya kwechiedza kunokanganisa huwandu hwemaerekitironi anobuda uye hakukanganisi simba remaerekitironi anobuda pamusoro pesimbi. Simba remaerekitironi rinokanganiswa nesimba rechiedza uye simba rechiedza rinokanganiswa nekufamba kwechiedza kana hupamhi hwechiedza.
D. Mhedzisiro yemagetsi inoitika pamafrequencies kana mawavelengths echiedza cheultraviolet. Chiedza cheultraviolet ifrequency iyo simba rephoton rinogona kuburitsa maerekitironi kubva pamusoro pesimbi. Chiedza cheinfrared hachigone nekuti chakaderera zvakanyanya, nepo max-rays nemagamma rays zvichigona nekuti mafrequencies avo akakwira kupfuura ultraviolet light.
E. Kupenya kwechiedza kunokanganisa chiitiko chemhedzisiro yemagetsi chete kana simba rechiedza rakakura kupfuura basa resimbi, uko kupenya kwechiedza kunokanganisa huwandu hwemaerekitironi anobuda uye hakukanganisi simba remaerekitironi anobuda pamusoro pesimbi. Basa resimbi isimba diki rinodiwa kuti maerekitironi abudiswe pamusoro pesimbi.
Mhinduro chaiyo ndiC.
2. Teererai chirevo chinotevera:
(1) Mhedzisiro yemagetsi inogona kutsanangurwa nekufungidzira kuti cahaya ine mapakeji esimba
(2) Chiitiko che photoelectric effect chinogona kuratidza kuti chiedza chinogona kuita se gelomong
(3) Simba remaerekitironi anoburitswa kubva pamusoro pesimbi rinoenderana nehuwandu hwemaerekitironi.
(4) Mhedzisiro yemagetsi inoitika munzvimbo ye infrared.
Chirevo chaicho pamusoro pemhedzisiro ye photoelectric ndechekuti…
A. (1) na (2)
B. (1) uye (3)
C. (1) uye (4)
D. (2) na (3)
E. (2) uye (4)
Kukurukurirana
Dzidza tsananguro iri mumubvunzo wapfuura.
Mhinduro chaiyo ndeiyi B.
3. Teererai chirevo chinotevera!
(1) Kuti maerekitironi anoburitswa kubva musimbi here kana kuti kwete zvinoenderana nehukuru hwechiedza chinouya.
(2) Kusimba kwechiedza chiri kuuya hakuvimbisi kuburitswa kwemaerekitironi kubva pamusoro pesimbi.
(3) Pasi pehuwandu hwemagetsi, maerekitironi acharamba achiburitswa kubva musimbi chero bedzi simba rechiedza chinouya rakawedzera.
Chirevo chaicho maererano nemhedzisiro ye photoelectric ndechekuti…
A. (1), (2), uye (3)
B. (1) uye (2) chete
C. (1) uye (3) chete
D. (2) uye (3) chete
E. (3) chete
Kukurukurirana nezvemhedzisiro ye photoelectric
Chirevo (1): Chirevo ichi ndechechokwadi. Kana kureba kwacho gelomong Kana chiedza chiri kuuya chiri chidiki pane muganhu wewavelength wesimbi, saka maerekitironi haaburitswe.
Chirevo (2): Chirevo ichi ndechechokwadi. Kuburitswa kwemaerekitironi kubva pamusoro pesimbi kunoenderana nefrequency kana wavelength kana simba rechiedza. Simba rechiedza rinokanganisa huwandu hwemaerekitironi anoburitswa chete kana simba rechiedza kana frequency yechiedza yakakura kupfuura simba resimbi kana threshold frequency.
Chirevo (3): Chirevo ichi hachina kururama. Maerekitironi anoburitswa kubva musimbi kana frequency yechiedza yakakura kupfuura frequency yesimbi. Kuburitswa kwemaerekitironi kubva pamusoro pesimbi kunoenderana nesimba rechiedza. Simba rechiedza rinoenderana nefrequency kana wavelength (E = hf). Simba rechiedza rinoenderana nechiyero chekubuda kwesimba rechiedza, harikanganisi saizi yesimba rechiedza.
Kana simba rechiedza rakakura kupfuura basa resimbi (simba diki rinodiwa kubvisa maerekitironi pamusoro pesimbi), simba rechiedza rinokanganisa huwandu hwemaerekitironi anoburitswa kubva musimbi. Kusiyana neizvi, kana simba rechiedza riri shoma pane basa resimbi, simba rechiedza harikanganisi huwandu hwemaerekitironi anoburitswa kubva musimbi.
Mhinduro chaiyo ndeiyi B.
4. Teererai chirevo chinotevera!
(1) Maerekitironi anogona kuburitswa kubva pamusoro pesimbi kana simbi ikapiswa nemafungu emagetsi.
(2) Kuti maerekitironi anoburitswa kubva pamusoro pesimbi here kana kuti kwete zvinoenderana nehuwandu hwechiedza chinouya.
(3) Basa resimbi imwe neimwe rakafanana
Chirevo chaicho maererano nemhedzisiro ye photoelectric ndechekuti…
A. (1), (2), uye (3)
B. (1) uye (2)
C. (1) uye (3)
D. (2) na (3)
E. (3) chete
Kukurukurirana
Chirevo (1): Chirevo ichi ndechechokwadi. Mafungu emagetsi ane marudzi akawanda emafungu ane mafrequency akasiyana kana ma wavelength. Mafungu emagetsi ane mafrequency kana wavelength akakura kupfuura threshold frequency kana wavelength chete ndiwo anogona kuburitsa maerekitironi kubva musimbi.
Chirevo (2): Chirevo ichi ndechechokwadi. Kana frequency yechiedza iri diki pane threshold frequency yesimbi, saka maerekitironi haaburitswe kubva musimbi. Kusiyana neizvi, kana frequency yechiedza iri yakakura kupfuura threshold frequency yesimbi, saka maerekitironi anoburitswa kubva musimbi.
Chirevo (3): Chirevo ichi hachina kururama. Basa rebasa simbi iri basa diki kana simba shoma rinodiwa kubvisa erekitironi pamusoro pesimbi. Basa resimbi yega yega rinoenderana nehunhu hwesimbi.
Mhinduro chaiyo ndeiyi B.
5. Teererai chirevo chinotevera!
(1) Simba guru rekufamba kwemhepo haritsamiri pakusimba kwesimba
(2) Mhedzisiro yemagetsi inoitika munzvimbo ye ultraviolet.
(3) Kuwanda kwesimbi dzese kwakafanana
(4) Kuwanda kwe photon kwakakura kupfuura threshold frequency
Chirevo chaicho maererano nemhedzisiro ye photoelectric ndechekuti…
A. (1) na (2)
B. (1) uye (3)
C. (2) uye (3)
D. (2) na (4)
E. (3) uye (4)
Kukurukurirana
Dzidzawo hurukuro yemhedzisiro ye photoelectric muhurukuro yemibvunzo yebvunzo dzeNyika dzemakore apfuura.
Mhinduro chaiyo ndiD.
6. Teererai zvirevo zvinotevera!
(1) frequency yephoton > threshold frequency, maerekitironi anoburitswa kubva musimbi
(2) Simba guru rekinetic rinokanganiswa nemaerekitironi ephoton
(3) Kusimba kunowedzera kumhanya kwemaerekitironi
(4) Kuwanda kwehuwandu = threshold frequency, kumhanya kukuru kwemaerekitironi
Chirevo chaicho maererano nemhedzisiro ye photoelectric ndechekuti…
A. (1) na (2)
B. (1) uye (3)
C. (1) uye (4)
D. (2) na (4)
E. (3) uye (4)
Kukurukurirana
Mhinduro chaiyo ndeiyi B.
5. Teererai chirevo chinotevera!
(1) Kusimba kwesimba kunokanganisa kana maerekitironi achiburitswa kubva musimbi kana kuti kwete.
(2) Kureba kwemafungu kunokanganisa huwandu hwemaerekitironi anoburitswa kubva musimbi.
(3) Simba guru rekufamba kwemhepo rinokonzerwa nehuwandu hwenguva
(4) Huwandu hwemaerekitironi anoburitswa kubva musimbi hunokanganiswa nekusimba kwechiedza kana frequency yechiedza > threshold frequency yesimbi.
Chirevo chakarurama pamusoro apa maererano nemhedzisiro ye photoelectric ndechekuti….
A. (1) na (2)
B. (1) uye (3)
C. (1) uye (4)
D. (2) na (3)
E. (3) uye (4)
Kukurukurirana
Mhinduro chaiyo ndiE.
Kwakabva mubvunzo:
Mibvunzo yeNational Examination Physics yeChikoro Chesekondari/Chikoro Chepamusoro Chebasa
