1. Chinhu chakareba masendimita mashanu chinoiswa 5 cm kubva pane lenzi ine urefu hwemasentimita gumi nemashanu . Sarudza daro remufananidzo , kukura kwemufananidzo, kukwirira kwemufananidzo uye hunhu hwemufananidzo.
Zvinozivikanwa:
Kureba kwefocal (f) = 15 cm
Chiratidzo chekuwedzera chinoratidza kuti nzvimbo iri pamberi pechinhu ndechechokwadi kana kuti mwaranzi inopfuura nepakati pechinhu.
Kureba kwechinhu (h o ) = 5 cm
Daro rechinhu ( do o ) = 5 cm
Zvinodiwa : daro remufananidzo , kukura kwemufananidzo , kukwirira kwemufananidzo uye hunhu hwemufananidzo
Solution:
Kugadzirwa kwemufananidzo ne lenzi inosanganisa :

Kureba kwemufananidzo ( di i ):
1/ di = 1/f – 1/ do o = 1/15 – 1/5 = 1/15 – 3/15 = -2/15
d i = -15/2 = -7.5 cm
Chiratidzo che "minus" chinoratidza kuti mufananidzo wacho uri wepakombiyuta kana kuti mwaranzi haipfuuri nepamufananidzo.
Kukura kwemufananidzo ( m ):
m = – di i / do o = -(-7.5)/5 = 7.5/5 = 1.5
Chiratidzo chekuwedzera chinoratidza kuti mufananidzo wacho wakamira.
Kureba kwemufananidzo (h i ):
m = h i / h o
h i = m h o = (1.5)5 = 10/3 = 7.5 cm
Chiratidzo chekuwedzera chinoratidza kuti mufananidzo wacho wakamira.
Hunhu hwemufananidzo
- pamhepo
- yakatwasuka
- Mufananidzo wacho mukuru kupfuura chinhu chacho
- Kureba kwemufananidzo kwakakura kupfuura kureba kwechinhu
2. Chinhu chakareba masendimita gumi chinoiswa 30 cm kubva pane lenzi ine urefu hwemasentimita makumi maviri . Sarudza daro remufananidzo, kukura kwemufananidzo, kukwirira kwemufananidzo uye hunhu hwemufananidzo.
Zvinozivikanwa:
Kureba kwefocal (f) = 15 cm
Chiratidzo chekuwedzera chinoratidza kuti nzvimbo iri pamberi pechinhu ndechechokwadi kana kuti mwaranzi inopfuura nepakati pechinhu.
Kureba kwechinhu (h) = 10 cm
Daro rechinhu (s) = 30 cm
Zvinodiwa: Kureba kwemufananidzo, kukura kwemufananidzo, kukwirira kwemufananidzo uye hunhu hwemufananidzo
Solution:
Kuumbwa kwemufananidzo ne lenzi inoungana:

Kureba kwemufananidzo ( di i ):
1/ di = 1/f – 1/ do o = 1/15 – 1/30 = 2/30 – 1/30 = 1/30
d i = 30/1 = 30 cm
Chiratidzo chekuwedzera chinoratidza kuti mufananidzo wacho ndewechokwadi kana kuti mwaranzi inopfuura nemumufananidzo.
Kukura kwemufananidzo ( m ):
m = – di i / do o = -(30)/30 = -30/30 = -1
Chiratidzo chekusiya chinoratidza kuti mufananidzo wacho wakapindurwa.
Kureba kwemufananidzo (h i ):
m = h i / h o
h i = m h o = (-1)10 = -10 cm
Chiratidzo chekusiya chinoratidza kuti mufananidzo wacho wakapindurwa.
Hunhu hwemufananidzo
- chaiyo kana kuti mwaranzi inopfuura nepamufananidzo
- yakapindurwa
- Kureba kwemufananidzo kwakafanana nekukwirira kwechinhu.
- Kureba kwemufananidzo kwakafanana nedaro rechinhu.
3. Chinhu chakareba masendimita gumi chinoiswa 30 cm kubva pane lenzi ine urefu hwemasentimita makumi maviri . Sarudza daro remufananidzo, kukura kwemufananidzo, kukwirira kwemufananidzo uye hunhu hwemufananidzo.
Zvinozivikanwa:
Kureba kwefocal f) = 20 cm
Chiratidzo chekuwedzera chinoratidza kuti nzvimbo iri pamberi pechinhu ndechechokwadi kana kuti mwaranzi inopfuura nepakati pechinhu.
Kureba kwechinhu (h) = 10 cm
Daro rechinhu ( do o ) = 30 cm
Zvinodiwa: Kureba kwemufananidzo , kukura kwemufananidzo , kukwirira kwemufananidzo uye hunhu hwemufananidzo
Solution:
Kureba kwemufananidzo ( di i ):
1/ di = 1/f – 1/ do o = 1/20 – 1/30 = 3/60 – 2/60 = 1/60
d i = 60/1 = 60 cm
Chiratidzo chekuwedzera chinoratidza kuti mufananidzo wacho ndewechokwadi kana kuti mwaranzi inopfuura nemumufananidzo.
Kukura kwemufananidzo ( m ):
m = – di i / do o = -(60)/30 = -2
Chiratidzo chekusiya chinoratidza kuti mufananidzo wacho wakapindurwa.
Mufananidzo wacho wakakura kakapetwa kaviri pane chinhu chacho.
Kureba kwemufananidzo (h i ):
m = h i / h o
h i = m h o = (-2)10 = -20 cm
Chiratidzo chekusiya chinoratidza kuti mufananidzo wacho wakapindurwa.
Hunhu hwemufananidzo
- chaiyo
- yakapindurwa
- kukwirira kwemufananidzo kwakakura kupfuura kukwirira kwechinhu
- daro remufananidzo rakakura kupfuura daro rechinhu
4. Zvichibva pamufananidzo uri pazasi, sarudza kureba kwelenzi inoungana!
Zvinozivikanwa:
Kureba kwechinhu ( do o ) = 20 cm
Daro remufananidzo ( di ) = 30 cm
Zvinodiwa : Hurefu hwefocal (f)
Solution:
1/ do o + 1/ di i = 1/f
do o = chinhambwe chechinhu ( pamwe nechiratidzo chekuti mwaranzi inopfuura nepakati pechinhu )
d i = chinhambwe chemufananidzo ( pamwe nechiratidzo chekuti mwaranzi inopfuura nepamufananidzo )
f = kureba kwefocal ( pamwe nechiratidzo chekuti mwaranzi inopfuura nepakati pefocal kana kuti focal point ndeyechokwadi )
Kureba kwefocal:
1/f = 1/20 + 1/30 = 3/60 + 2/60 = 5/60
f = 60/5 = 12 cm
5. Kureba kwechinhu i30 cm uye kureba kwefocal i20 cm. Sarudza kukura kwemufananidzo.
Zvinozivikanwa:
Kureba kwefocal lens inoungana (f) = 20 cm
Chiratidzo chekuwedzera chinoratidza kuti nzvimbo iri pamberi pechinhu ndechechokwadi kana kuti mwaranzi inopfuura nemumufananidzo.
Kureba kwechinhu ( do o ) = 30 cm
Zvinodiwa: Kukura kwemufananidzo (M)
Solution:
Kureba kwemufananidzo:
1/ di = 1/f – 1/ do = 1/20 – 1/30 = 3/60 – 2/60 = 1/60
d i = 60/1 = 60 cm
Kukura kwemufananidzo:
M = di i / do o = 60 cm / 30 cm = 60/30 = kaviri
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