1. Dhererka diiradda ee muraayadda ujeeddada leh waa 2 cm, dhererka diiradda ee muraayadda indhahana waa 5 cm. Masaafada u dhaxaysa muraayadda ujeeddada leh iyo muraayadda indhaha waa 30 cm. Go'aami weynaynta guud iyo masaafada shayga laga bilaabo muraayadda ujeeddada marka isha la nasto.
La yaqaan:
Dhererka diiradda ee muraayadda ujeeddada (f ob ) = 2 cm
Dhererka diiradda ee muraayadda indhaha (f oc ) = 5 cm
Masaafada u dhaxaysa muraayadaha (l) = 30 cm
Barta u dhow (N) = 25 cm
Xalka:
(a) weyneynta guud
Qaacidada guud ee weyneynta:
M = m ob M oc
M = weyneynta guud, m ob = weyneynta muraayadda ujeeddada leh, M oc = weyneynta xagasha indhaha
Weyneynta muraayadda ujeeddada marka isha la nasto (m ob ):
Masaafada sawirka laga bilaabo muraayadda ujeeddada (d ob '):
d ob ' = l – f oc = 30 cm – 5 cm = 25 cm
Masaafada shayga u jirta muraayadda ujeeddada (d ob ):
Muraayadda ujeedadu waa muraayad isku soo ururaysa sidaa darteed dhererka diiradda la saarayo wuxuu leeyahay calaamadda dheeraadka ah.
Masaafada sawirku waxay leedahay calaamad dheeraad ah sababtoo ah sawirku waa mid dhab ah ama fallaaraha ayaa dhex mara sawirka.
Weyneynta muraayadda ujeeddada leh :
Weyneynta xagasha indhaha marka isha la nasto (M ok ):
M oc = N / f oc = 25 cm / 5 cm = 5X
Ballaarinta guud:
M = m ob M oc = (12.5) (5) = 62.5X
(b) Masaafada shayga u jirta muraayadda ujeeddada (d ob )
Masaafada shayga u jirta muraayadda ujeeddada waa 2 cm.
2. Microscope-ku wuxuu ka kooban yahay 5X objective iyo 20X occular. Masaafada u dhaxaysa muraayadaha waa 15 cm. (a) Go'aami weynaynta guud haddii isha la nasto (b) go'aami dhererka diiradda ee muraayadda indhaha (c) dhererka diiradda ee muraayadda ujeeddada.
La yaqaan:
Weyneynta muraayadda ujeeddada (m ob ) = 5X
Weyneynta muraayadda indhaha ( Moc ) = 20X
Barta u dhow (N) = 25 cm
Masaafada u dhaxaysa muraayadaha (l) = 15 cm
Xalka:
(a) Ballaarinta guud (M)
M = m ob M oc
M = (5)(20) = 100X
(b) Dhererka diiradda ee muraayadda indhaha (f oc )
Qaacidada weyneynta xagasha ee muraayadda indhaha (Moc ) marka isha la nasto:
M oc = N / f oc
Dhererka diiradda ee muraayadda indhaha:
f oc = N / M oc = 25 cm / 20 = 1.25 cm
(c) dhererka diiradda ee muraayadda ujeeddada (f ob )
Qaacidada weyneynta muraayadda ujeeddada marka isha la nasto:
Masaafada sawirka dhabta ah laga bilaabo muraayadda ujeeddada (d ob '):
d ob ' = l – f oc = 15 cm – 1.25 cm = 13.75 cm
Masaafada shayga u jirta muraayadda ujeeddada (d ob ):
Dhererka diiradda ee muraayadda ujeeddada (f ob ):
Dhererka diiradda ee muraayadda ujeeddada = 2.29 cm
3. Dhererka diiradda ee muraayadda ujeeddada leh waa 0.9 cm, dhererka diiradda ee muraayadda indhahana waa 2.5 cm. Microscope-ka waxaa isticmaala isha caadiga ah iyada oo aan la waafajin, weyneyntuna guud ahaan waa 90 jeer. Go'aami masaafada u dhaxaysa shayga iyo muraayadda ujeeddada leh. N = 25 cm.
La yaqaan:
Dhererka diiradda ee muraayadda ujeeddada (f ob ) = 0.9 cm
Dhererka diiradda ee muraayadda indhaha (f ok ) = 2,5 cm
Weyneynta guud (M) = 90 jeer
Barta u dhow isha caadiga ah (N) = 25 cm
Deganaanshaha isha waa ugu yaraan.
La Doonayo: Masaafada u dhaxaysa shayga iyo muraayadda ujeeddada (s ob )
Xalka:
Isle'egta wadarta weyneynta xagasha marka hoygu ugu yar yahay:
Xisaabi masaafada shayga ee ku saabsan muraayadda ujeeddada (s ob ) adoo isticmaalaya isle'egta xiriirka ka dhexeeya dhererka diiradda ee muraayadda ujeeddada (f ob ), masaafada u dhaxaysa shayga iyo muraayadda ujeeddada (s ob ) iyo masaafada u dhaxaysa sawirka iyo muraayadda ujeeddada (s ob '):
4. Dhererka diiradda ee muraayadda ujeeddada leh waa 1.8 cm, dhererka diiradda ee muraayadda indhahana waa 6 cm. Microscope-ka waxaa isticmaala isha caadiga ah iyada oo aan la waafajin, masaafada u dhaxaysa muraayadda ujeeddada leh iyo muraayadda indhaha waa 24 cm. Go'aami masaafada shayga laga bilaabo muraayadda ujeeddada leh.
La yaqaan:
Dhererka diiradda ee muraayadda ujeeddada (f ob ) = 1.8 cm
Dhererka diiradda ee muraayadda indhaha (f ok ) = 6 cm
Masaafada u dhaxaysa muraayadda ujeeddada leh iyo muraayadda indhaha = dhererka mikroskoobka (l) = 24 cm
Hoyga ugu yar waa.
La Doonayo: Masaafada u dhaxaysa shayga iyo muraayadda ujeeddada (s ob )
Xalka:
Marka la dejinayo ugu yaraan, masaafada u dhaxaysa sawirka kama dambaysta ah iyo muraayadda indhaha waa mid aan dhammaad lahayn, sida ka muuqata sawirka hoose.
Masaafada u dhaxaysa muraayadda ujeeddada leh iyo muraayadda indhaha (l) = dhererka diiradda ee muraayadda indhaha (f ok ) + masaafada u dhaxaysa sawirka iyo muraayadda ujeeddada leh (s ob ').
s ob ' = l – f ok = 24 cm – 6 cm = 18 cm
Xisaabi masaafada u dhaxaysa shayga iyo muraayadda ujeeddada ( ob ) adoo isticmaalaya isle'egta xiriirka ka dhexeeya dhererka diiradda ee muraayadda ujeeddada (f ob ), masaafada u dhaxaysa shayga iyo muraayadda ujeeddada ( ob ) iyo masaafada u dhaxaysa sawirka iyo muraayadda ujeeddada (ob ' ):
Masaafada u dhaxaysa shayga iyo muraayadda ujeeddada waa 2 cm.
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