Zvishandiso zvemaziso zvemaziso evanhu - matambudziko nemhinduro

1. Ziso rakajairika rine nzvimbo iri kure zvikuru. Kureba kwegirazi reziso i2.5 cm. Sarudza (a) daro remufananidzo (b) simba regirazi.

Zvinozivikanwa:

Kureba kwegirazi reziso (f) = ari mufambo pakati pe cornea ne retina = +2.5 cm (Chiratidzo chekuwedzera chinoratidza lenzi inoungana).

Kureba kwechinhu (d_o) = kusaverengeka

Wanted : daro remufananidzo (d_i)

Solution:

(A) daro remufananidzo

1/f = 1/d_o + 1/d_i

f = kureba kwefocal, d_o = daro rechinhu, d_i = daro remufananidzo

1/d_i = 1/f – 1/d_o = 1 / 2.5 – 1 / ~ = 1 / 2.5 – 0

1/d_i = 1/2.5

d_i = 2.5 cm = 0.025 mamita

Kana daro rechinhu riri risingaperi, daro remufananidzo (d)_i) = kureba kwefocal (f)

(B) simba regirazi

P = 1/f = 1/ 0.025 m = 40 Divanosarudza

2. Ziso rakajairika rine poindi ye25 cm. Daro remufananidzo rakafanana nedaro riri pakati pe cornea ne retina = 2.5 cm. Sarudza (a) urefu hwe focal (b) simba re lenzi

Zvinozivikanwa:

Kureba kwechinhu (d_o) = 25 cm

Kureba kwemufananidzo (d_i) = 2.5 cm

Solution:

(a) kureba kwenzvimbo yakatarisana (f)

1/f = 1/d_o + 1/d_i

1/f = 1/25 + 1/2,5 = 1/25 + 10/25 = 11/25

f = 2.27 cm = 0.0227 m

Chiratidzo chekuwedzera chinoratidza lenzi iri kusangana.

(B) simba relenzi (P)

P = 1/f = 1/ 0.0227 = 44 Divanosarudza

3. Chimwe chezvishandiso zvemaziso ndeche maziso emunhuSarudza hunhu hwemufananidzo unogadzirwa nemaziso evanhu…

A. Chaiye, chakatwasuka

B. Chaiye, chakapindurwa

C. Zviri paindaneti, zvakamira

D. Virtual, yakapindurwa

mhinduro

Nzvimbo iri pedyo neziso rakajairika i25 cm. Nzvimbo iri pedyo ndiyo nzvimbo iri pedyo neziso apo chinhu chakanyatsotarisa pa retina panguva yakakwana. Upamhi hweziso remunhu hudiki pane 25 cm saka kureba kwelenzi yeziso kudikiwo pane 25 cm. Saka, daro rechinhu (d) rinofanira kunge rakakura kupfuura kureba kwelenzi yeziso (f).

Lenzi yeziso igirazi rakamonana. Saka mufananidzo unoumbwa negirazi reziso une hunhu hwakafanana nemufananidzo unoumbwa negirazi rakamonana. Hunhu hwemufananidzo unoumbwa negirazi reziso kana daro rechinhu (s) riri guru kupfuura urefu hwefocal (f):

chaiko, yakapindurwa, Duku

Mufananidzo wacho unofanira kunge wakatarisa pa retina nekuti retina inoshandura mafungu echiedza kuita zviratidzo zvemagetsi zvinotumirwa kuuropi. Kunyangwe mufananidzo wacho wakapindurwa, uropi hwemunhu hunoutenderedza kuti zvinhu zvinoonekwa neziso zvimire zvakanaka.

Kana ukaona muti uri kure, muti wacho unoita semudiki pane saizi yawo chaiyo. Izvi zvinoenderana nehunhu hwemufananidzo wakaderera.

Mhinduro chaiyo ndeinoti A.

4. Ziso rinogona kuona chinhu kana mufananidzo wacho wakatarisana ne retina uko hunhu hwemufananidzo huri…

A. Zviri pachena, zvakatwasuka, zvakakura

B. Zviri paindaneti, zvakapindurwa, zvidiki

C. Chaiyo, yakapindurwa, diki

D. Chaiyo, yakatwasuka, diki

mhinduro
– Lenzi yeziso igirazi rakamonana, saka, hunhu hwemufananidzo unoumbwa negirazi reziso hwakafanana nehunhu hwemufananidzo unoumbwa negirazi rakamonana.

– Nzvimbo iri pedyo neziso rakajairika kana kuti daro riri pedyo rinogona kuonekwa zvakajeka nemaziso i25 cm. Mabhora emaziso madiki zvekuti radius yekukombama uye urefu hwefocal lens yeziso hudiki pane 25 cm. Saka zvinogona kugumiswa kuti daro rechinhu rakakura kupfuura urefu hwefocal.

– Kana daro rechinhu riri guru pane urefu hwefocal, saka hunhu hwemufananidzo unoumbwa neziso remunhu pa retina ndehwechokwadi, hwakatenderedzwa, uye hudiki. Kunyangwe mufananidzo wacho wakatenderedzwa, uropi hunoutendeudza wakamira sezvatinouona.

Mhinduro chaiyo ndeinoti C.

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