Nā nīnau hoʻohālike o ka microscope

8 mau laʻana o nā nīnau Microscope

1. He microscope ʻelua mau aniani convex. Lensa convex ʻO ka mea kokoke i ka mea a i ʻole ka mea i kapa ʻia ʻo ka lens objective a ʻo ka lens convex e kokoke ana i ka maka o ka mea nānā ua kapa ʻia ʻo ka lens ocular. ʻO ka lōʻihi o ke kikowaena o ka lens objective he 2 cm a ʻo ka lōʻihi o ke kikowaena o ka lens ocular he 5 cm. ʻO ka mamao ma waena o ka lens objective a me ka lens ocular he 30 cm. Inā maʻamau ka maka o ka mea nānā a he liʻiliʻi loa kona noho ʻana, e hoʻoholo: (a) ka hoʻonui piha ʻana o ka microscope, (b) ka mamao o ka mea mai ka lens objective.
Pahana
Ua ʻike ʻia:
ʻO ka lōʻihi o ke kikowaena o ka lens objective (f_ob) = 2 kenimika
ʻO ka lōʻihi o ke kikowaena o ka lens eyepiece (f_ok) = 5 kenimika
ʻO ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka (l) = 30 kenimika
Kokoke i kahi kiko mata maʻamau (N) = 25 kenimika
Pane:
(a) Hoʻonui piha ʻia o ka microscope
ʻO ke ʻano hoʻonui holoʻokoʻa no kahi microscope:
M = m_ob M_ok
Wehewehe: M = ka hoʻonui piha ʻana o ka microscope, m_ob = ka hoʻonui linear o ke aniani pahuhopu, M_ok = ka hoʻonui kihi o ka lens o ka maka maka.
 
Hoʻonui laina o ka lens objective ke hiki ka maka i ka palena iki o ka noho ʻana (m_ob):
ʻO ka mamao o ke kiʻi mai ke aniani pahuhopu (s_ob') :
s_ob' = l – f_ok = 30 kenimika – 5 kenimika = 25 kenimika
ʻO ka mamao o ka mea mai ke aniani pahuhopu (s_ob):

He aniani convex ka aniani pahuhopu no laila he maikaʻi ka lōʻihi o ke kikowaena o ka aniani. He ʻoiaʻiʻo ke kiʻi no laila he maikaʻi ka mamao o ke kiʻi (s _{ob ').}

Hoʻonui laina o ka lens objective:

ʻO ka hoʻonui ʻana o ke aniani maka i ka wā e noho ai ka maka ma ka liʻiliʻi loa (M_ok):
M_ok = N / f_ok = 25 kenimika / 5 kenimika = 5 mau manawa

Hoʻonui piha ʻia o ka microscope:
M = m_ob M_ok = (12,5)(5) = 62,5 mau manawa

(b) Ka mamao o ka mea mai ke aniani pahuhopu (s)_ob)
Ua loaʻa ka mamao o ka mea mai ke aniani pahuhopu ma ka helu ʻana ma mua.
ʻO ka mamao o ka mea mai ke aniani ʻike maka he 2 kenimika.

2. Hoʻohana kekahi kanaka me nā maka maʻamau i kahi microscope māmā e nānā i kahi mea. ʻO ka mamao ma waena o ka lens objective a me ka lens eyepiece he 15 cm. He 5 mau manawa ka hoʻonui linear o ka lens objective a he 20 mau manawa ka hoʻonui angular o ka lens eyepiece. Inā ua liʻiliʻi loa ka noho ʻana o ka maka, e hoʻoholo: (a) ka hoʻonui holoʻokoʻa o ka microscope, (b) ka lōʻihi o ke kikowaena o ka lens eyepiece, (c) ka lōʻihi o ke kikowaena o ka lens objective.
Pahana
Ua ʻike ʻia:
Hoʻonui laina o ka lens objective (m_ob) = 5 mau manawa
Hoʻonui kihi o ka aniani maka (M_ok) = 20 mau manawa
Kokoke i ke kiko o ka maka maʻamau (N) = 25 kenimika
Ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka = Ka lōʻihi o ka microscope (l) = 15 kenimika
Pane:
(a) Ka hoʻonui piha ʻana o ka microscope (M)
ʻO ke ʻano hoʻonui holoʻokoʻa no kahi microscope:
M = m_ob M_ok
Hoʻonui piha ʻia o ka microscope:
M = (5)(20) = 100 mau manawa

(b) Ka lōʻihi o ke kikowaena o ka aniani maka (f_ok)
ʻO ke ʻano hana no ka hoʻonui ʻana o ke kihi o ka lens eyepiece (M_ok) microscope i ka wā e noho pono ai ka maka:
M_ok = N / f_ok
E hoʻololi i kēia haʻilula e helu i ka lōʻihi o ke kikowaena o ka lens eyepiece (f_ok):
f_ok = N / M_ok = 25 kenimika / 20 = 1,25 kenimika

(c) Ka lōʻihi o ke kikowaena o ka lens objective (f_ob)
ʻO ke ʻano hana no ka hoʻonui linear o ka lens objective (m_ob) ka noho ʻana o ka maka ʻano microscope no ka liʻiliʻi loa:

Ua kāpae ʻia ka hōʻailona maikaʻi ʻole e hōʻike ana ua hoʻohuli ʻia ke kiʻi mai kēia haʻilula.
ʻO ka mamao o ke kiʻi maoli mai ke aniani pahuhopu (s_ob') :
s_ob' = l – f_ok = 15 kenimika – 1,25 kenimika = 13,75 kenimika
ʻO ka mamao o ka mea mai ke aniani pahuhopu (s_ob):

Ka lōʻihi o ke kikowaena o ka lens objective (f _ob ):

ʻO ka lōʻihi o ke kikowaena o ka lens objective he 2,29 kenimika
He aniani convex ka aniani pahuhopu no laila he maikaʻi ka lōʻihi o ke kikowaena o ka aniani. He ʻoiaʻiʻo ke kiʻi no laila ʻo ka mamao o ke kiʻi (s)_ob') ua hōʻailona ʻia he maikaʻi.

ʻOi aku ka nui o ka mamao o ka mea (s _{ob = 2,75 kenimika) ma mua o ka lōʻihi o ke kikowaena o ka lens pahuhopu (f ob} = 2,29 kenimika). Kūlike kēia me ka ʻoiaʻiʻo e pono e kau ʻia ka mea i nānā ʻia me ka hoʻohana ʻana i kahi microscope kokoke i ke kikowaena o ka lens pahuhopu i hiki ai i ka lens pahuhopu ke hoʻopuka i kahi kiʻi maoli me ka hoʻonui linear kiʻekiʻe loa.

3. E nānā i ke kiʻi o ke ala o nā kukuna mālamalama e hana ana i kiʻi ma ka microscope aʻe. ʻO ka mamao ma waena o ka lens objective a me ka lens eyepiece o ka microscope he…

A. 20 kenimika
B. 24 kenimika
C. 25 kenimika
D. 27 kenimika
E. 29 kenimika

Pahana
microscope hoʻohana ʻia e nānā i nā mea liʻiliʻi loa a i ʻole nā ​​​​mea i ʻike pololei ʻole ʻia me ka maka. ʻO ka microscope maʻalahi loa he ʻelua mau aniani converging, i ʻike ʻia hoʻi he mau aniani convex. ʻO ka lens kokoke loa i ka mea i kapa ʻia ʻo aniani hoʻohālikelikeʻO ka lens e kokoke ana i ka maka ua kapa ʻia ʻo aniani maka a i ʻole aniani makaHana ka lens objective e hana i kahi kiʻi maoli. ʻO ke kiʻi maoli i hana ʻia e ka lens objective e ʻike ʻia he mea e ka lens eyepiece. A laila hoʻonui ka lens eyepiece i ke kiʻi i hiki ke ʻike maopopo ʻia e ka maka.

Ua ʻike ʻia :
ʻO ka lōʻihi o ke kikowaena o ka lens objective (f_ob) = 1,8 kenimika (kikowaena maikaʻi no ka mea he convex/convex ke aniani)
ʻO ka lōʻihi o ke kikowaena o ka lens eyepiece (f_ok) = 6 kenimika (kikowaena maikaʻi no ka mea he convex/convex ke aniani)
ʻO ka mamao o ka mea mai ke aniani pahuhopu (s_ob) = 2 kenimika (ka mamao o ka mea maikaʻi no ka mea e hele ana ke kukui ma waena o ka mea)
Ua nīnau ʻia : Ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka maka mai ka microscope (ka lōʻihi o ka paipu = l)
Pane :

ʻO ka mamao o ke kiʻi mai ke aniani pahuhopu (s_ob') :
1 / s_ob + 1/s_ob' = 1/f_ob
1 / s_ob' = 1/f_ob – 1/s_ob
1 / s_ob' = 1/1,8- 1/2 = 10/18- 9/18 = 1/18
s_ob' = 18 kenimika
Aia pololei ke kiʻi i hoʻokumu ʻia e ka lens objective ma ke kiko mua o ka lens eyepiece, e like me ka mea i hōʻike ʻia ma ke kiʻi ma luna.

Ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka (lōʻihi o ka paipu = l) :
l = s_ob' + f_ok = 18 kenimika + 6 kenimika = 24 kenimika
ʻO ka pane pololei ʻo B.

3. E nānā i ke kiʻikuhi ma lalo nei o ke kūkulu ʻia ʻana o ke kiʻi ma kahi microscope. ʻO ka mamao o ka mea mai ke aniani pahuhopu he 1,1 cm, ʻo ka lōʻihi o ke kikowaena o ka pahuhopu he 1 cm, a ʻo ka lōʻihi o ke kikowaena o ka maka he 5 cm. ʻO ka hoʻonui ʻia o ke kiʻi ma ka microscope…

A. 25 mau manawa
B. 30 mau manawa
C. 40 mau manawa
D. 50 mau manawa
E. 55 mau manawa

Pahana
Ua ʻike ʻia :
ʻO ka mamao o ka mea mai ke aniani pahuhopu (s_ob) = 1,1 kenimika (ka mamao o ka mea maikaʻi no ka mea e hele ana ke kukui ma waena o ka mea)
ʻO ka lōʻihi o ke kikowaena o ka lens objective (f_ob) = 1 kenimika (kikowaena maikaʻi no ka mea he convex/convex ke aniani)
ʻO ka lōʻihi o ke kikowaena o ka lens eyepiece (f_ok) = 5 kenimika (kikowaena maikaʻi no ka mea he convex/convex ke aniani)
Ua nīnau ʻia : Hoʻonui kiʻi microscope (M)
Pane :
ʻO ka hoʻonui piha ʻana o kahi microscope ka huahana o ka hoʻonui ʻana o ka lens objective (m_ob) a me ka hoʻonui kihi o ka lens eyepiece (M_ok).
 
Hoʻonui ʻana i ka lens pahuhopu
ʻAno hoʻonui aniani pahuhopu (m_ob) :
m_ob = h_ob'/h_ob = s_ob'/s_ob = (l – f_ok)/s_ob
ʻIkepili:
h_ob' = ke kiʻekiʻe o ke kiʻi i hoʻokumu ʻia e ka lens objective
h_ob = ke kiʻekiʻe o ka mea
s_ob' = ka mamao o ke kiʻi mai ke aniani pahuhopu
s_ob = ka mamao o ka mea mai ke aniani pahuhopu
f_ok = ke kiko o ka aniani maka
l = ka lōʻihi o ka paipu = ka mamao ma waena o nā aniani ʻelua = ka mamao o ke kiʻi i hoʻokumu ʻia e ka aniani pahuhopu (s)_ob') + ka lōʻihi o ke kikowaena o ka lens eyepiece (f_ok)
ʻO ka mamao o ke kiʻi mai ke aniani pahuhopu (s_ob') :
E helu mua i ka mamao o ke kiʻi mai ke aniani hoʻohālikelike.
1 / s_ob + 1/s_ob' = 1/f_ob
1 / s_ob' = 1/f_ob – 1/s_ob
1 / s_ob' = 1/1- 1/1,1 = 11/11 – 10/11 = 1/11
s_ob' = 11 kenimika
Aia pololei ke kiʻi i hoʻokumu ʻia e ka lens objective ma ke kiko mua o ka lens eyepiece, e like me ka mea i hōʻike ʻia ma ke kiʻi ma luna.
Hoʻonui ʻia ke aniani pahuhopu (m_ob) :
m_ob = s_ob'/s_ob = 11 kenimika / 1,1 kenimika = 10
 
Hoʻonui ʻia ke aniani maka
Inā ua emi loa ka noho ʻana o ka maka a ua hoʻomaha paha ka maka, kahi i loaʻa ai ke kiʻi i hana ʻia e ka lens eyepiece ma kahi mamao palena ʻole e like me ka mea i hōʻike ʻia ma ke kiʻi kokoke i ka lens eyepiece ma luna (ʻelua mau laina pololei like) a laila ke ʻano no ka hoʻonui ʻana o ke kihi o ka lens eyepiece (M_ok) ʻo ia hoʻi:
M_ok = N / f_ok
ʻIkepili:
N = kahi kokoke i ka maka maʻamau (25 kenimika)
f_ok = ka lōʻihi o ke kikowaena o ke aniani maka = 5 kenimika
Hoʻonui kihi o ka aniani maka (M_ok) :
M_ok = N / f_ok = 25 kenimika / 5 kenimika = 5

Hoʻonui piha ʻia o ka microscope
M = m_ob x M_ok = 10 x 5 = 50
ʻO D ka pane pololei.

5. E nānā i ke kiʻikuhi ma lalo nei o ke kūkulu ʻia ʻana o ke kiʻi me ka hoʻohana ʻana i kahi microscope!

Inā he kukuna like ke kukuna o ke kukui e puka mai ana mai ka aniani maka, a he ʻike maʻamau ka maka e nānā ana, a laila ʻo ka hoʻonui ʻana o ka microscope he …. (Sn = 25 cm)

A. 10 mau manawa

B. 18 mau manawa

C. 22 mau manawa

D. 30 mau manawa

E. 50 mau manawa

Pahana

Ua ʻike ʻia:

Ka lōʻihi o ke kikowaena o ke aniani pahuhopu (f _ob ) = 2 kenimika

Ka mamao o ka mea mai ke aniani pahuhopu (s _ob ) = 2,2 kenimika

Wahi kokoke maʻamau (N) = 25 kenimika

Ka lōʻihi o ke kikowaena o ke aniani maka (f _ok ) = 25 kenimika

Ua nīnau ʻia: M

Pane:

Inā mamao loa ke kiʻi hope loa, e hoʻokipa iki ka maka, i ka ʻaoʻao ʻē aʻe, inā mamao loa ke kiʻi, e hoʻokipa nui ka maka. Hōʻike ke kiʻi hope loa ma ke kiʻi ma luna i kahi kiʻi mamao loa, no laila e hoʻokipa iki ka maka.

ʻO ka mea mua, e helu i ka mamao o ke kiʻi mai ka lens pahuhopu (s _ob '). He lens convex ka lens pahuhopu, no laila ua helu ʻia ka mamao o ke kiʻi me ka hoʻohana ʻana i ke ʻano lens convex. He maikaʻi ka lōʻihi o ke kikowaena o kahi lens convex no ka mea ke hele nei ke kukui ma o ke kiko kikowaena o ka lens convex.

1/s _ob ' = 1/f _ob – 1/s _ob = 1/2 – 1/2,2 = 11/22 – 10/22 = 1/22

s _ob ' = 22/1 = 22 kenimika

No laila, ʻo ke ʻano hoʻonui o ke kiʻi microscope penei:

ʻO A ka pane pololei.

6. E nānā i ke kiʻi o ke ala o ke kukuna mālamalama e hana ana i ke kiʻi ma ka microscope aʻe:

ʻO ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka o ka microscope he…

A. 20 kenimika

B. 24 kenimika

C. 25 kenimika

D. 27 kenimika

E. 29 kenimika

Pahana

Hoʻohana ʻia nā microscopes e nānā i nā mea liʻiliʻi loa a i ʻole nā ​​​​mea i hiki ʻole ke ʻike pololei ʻia me ka maka ʻōlohelohe. ʻO ka microscope maʻalahi loa he ʻelua mau aniani converging, i ʻike ʻia hoʻi he mau aniani convex. ʻO ka lens kokoke loa i ka mea i kapa ʻia ʻo ka lens objective . ʻO ka lens kokoke loa i ka maka i kapa ʻia ʻo ka lens ocular a i ʻole eyepiece . Hana ka lens objective e hana i kahi kiʻi maoli. ʻO ke kiʻi maoli i hana ʻia e ka lens objective e ʻike ʻia he mea e ka eyepiece. A laila hoʻonui ka eyepiece i ke kiʻi i hiki ke ʻike maopopo ʻia e ka maka.

Ua ʻike ʻia :

ʻO ka lōʻihi o ke kikowaena o ka lens objective (f _ob ) = 1,8 kenimika (kikowaena maikaʻi no ka mea he convex/convex ka lens)

ʻO ka lōʻihi o ke kikowaena o ka lens eyepiece (f _ok ) = 6 kenimika (kikowaena maikaʻi no ka mea he convex/convex ka lens)

Ka mamao o ka mea mai ke aniani pahuhopu (s _ob ) = 2 kenimika (ka mamao o ka mea maikaʻi no ka mea e hele ana ke kukui ma o ka mea)

Nīnau : Ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka maka mai ka microscope (lōʻihi o ka paipu = d)

Pane :

ʻO ka mamao o ke kiʻi mai ke aniani pahuhopu (s_ob') :

1/s _ob + 1/s _ob ' = 1/f _ob

1/s _ob ' = 1/f _ob – 1/s _ob

1/s _ob ' = 1/1,8 – 1/2 = 10/18 – 9/18 = 1/18

s _ob ' = 18 kenimika

Aia pololei ke kiʻi i hoʻokumu ʻia e ka lens objective ma ke kiko mua o ka lens eyepiece, e like me ka mea i hōʻike ʻia ma ke kiʻi ma luna.

Ka mamao ma waena o ke aniani pahuhopu a me ke aniani maka (lōʻihi o ka paipu = d) :

l = s _ob ' + f _ok = 18 kenimika + 6 kenimika = 24 kenimika

ʻO ka pane pololei ʻo B.

7. E nānā i ke kiʻikuhi ma lalo nei o ke kūkulu ʻia ʻana o ke kiʻi ma ka microscope.

ʻO ka mamao o ka mea mai ke aniani pahuhopu he 1,1 kenimika, ʻo ka lōʻihi o ke kikowaena o ka pahuhopu he 1 kenimika a ʻo ka lōʻihi o ke kikowaena o ka maka he 5 kenimika, no laila ʻo ka hoʻonui ʻia ʻana o ke kiʻi microscope he...

A. 25 mau manawa

B. 30 mau manawa

C. 40 mau manawa

D. 50 mau manawa

E. 55 mau manawa

Pahana

Ua ʻike ʻia :

Ka mamao o ka mea mai ke aniani pahuhopu (s _ob ) = 1,1 kenimika (ka mamao o ka mea maikaʻi no ka mea e hele ana ke kukui ma o ka mea)

ʻO ka lōʻihi o ke kikowaena o ka lens objective (f _ob ) = 1 kenimika (kikowaena maikaʻi no ka mea he convex/convex ka lens)

ʻO ka lōʻihi o ke kikowaena o ka lens eyepiece (f _ok ) = 5 kenimika (kikowaena maikaʻi no ka mea he convex/convex ka lens)

Nīnau : Hoʻonui ʻia ke kiʻi microscope (M)

Pane :

ʻO ka hoʻonui holoʻokoʻa o kahi microscope ka huahana o ka hoʻonui linear o ka lens objective (m _ob ) a me ka hoʻonui angular o ka lens eyepiece (M _ok ).

Hoʻonui ʻana i ka lens pahuhopu

ʻO ke ʻano hana no ka hoʻonui linear o ka lens objective (m _ob ) :

m _ob = h _ob '/h _ob = s _ob '/s _ob = (l – f _ok )/s _ob

ʻIkepili:

h _ob ' = ke kiʻekiʻe o ke kiʻi i hoʻokumu ʻia e ka lens objective

h _ob = ke kiʻekiʻe o ka mea

s _ob ' = ka mamao o ke kiʻi mai ke aniani pahuhopu

s _ob = ka mamao o ka mea mai ke aniani pahuhopu

f _ok = ke kiko o ka aniani maka

l = ka lōʻihi o ka paipu = ka mamao ma waena o nā aniani ʻelua = ka mamao o ke kiʻi i hoʻokumu ʻia e ka aniani pahuhopu (s _ob ') + ka lōʻihi o ke kikowaena o ka aniani maka (f _ok )

ʻO ka mamao o ke kiʻi mai ke aniani pahuhopu (s_ob') :

E helu mua i ka mamao o ke kiʻi mai ke aniani hoʻohālikelike.

1/s _ob + 1/s _ob ' = 1/f _ob

1/s _ob ' = 1/f _ob – 1/s _ob

1/s _ob ' = 1/1 – 1/1,1 = 11/11 – 10/11 = 1/11

s _ob ' = 11 kenimika

Aia pololei ke kiʻi i hoʻokumu ʻia e ka lens objective ma ke kiko mua o ka lens eyepiece, e like me ka mea i hōʻike ʻia ma ke kiʻi ma luna.

Hoʻonui ʻia ke aniani pahuhopu (m_ob) :

m _ob = s _ob '/s _ob = 11 knm / 1,1 knm = 10

Hoʻonui ʻia ke aniani maka

Inā ua emi loa ka noho ʻana o ka maka a ua hoʻomaha paha ka maka, kahi i loaʻa ai ke kiʻi i hana ʻia e ka lens eyepiece ma kahi mamao palena ʻole e like me ka mea i hōʻike ʻia ma ke kiʻi kokoke i ka lens eyepiece ma luna (ʻelua laina pololei like) a laila ʻo ke ʻano hana no ka hoʻonui angular o ka lens eyepiece (M _ok ) penei:

_{ʻAe ʻo} M = ʻAʻole / ʻae ʻo _F

ʻIkepili:

N = kahi kokoke i ka maka maʻamau (25 kenimika)

f _ok = ka lōʻihi o ke kikowaena o ke aniani maka = 5 kenimika

Hoʻonui kihi o ka aniani maka (M_ok) :

M _ok = N / f _ok = 25 kenimika / 5 kenimika = 5

Hoʻonui piha ʻia o ka microscope

M = m _ob x M _ok = 10 x 5 = 50

ʻO D ka pane pololei.

8. E nānā i ke kiʻi o ke ala o ke kukuna mālamalama e hana ana i ke kiʻi ma ka microscope aʻe:

ʻO ka mamao ma waena o ke aniani maka a me ke aniani maka o ka microscope he….

A. 20 kenimika

B. 24 kenimika

C. 25 kenimika

D. 27 kenimika

E. 29 kenimika

Pahana

Ua ʻike ʻia:

Ka mamao o ka mea mai ke aniani pahuhopu (s _ob ) = 2 kenimika

Ka lōʻihi o ke kikowaena o ke aniani pahuhopu (f _ob ) = 1,8 kenimika

ʻO ka mamao o ke kiʻi maoli mai ka lens eyepiece (s _ok ) = 6 kenimika

Ka lōʻihi o ke kikowaena o ke aniani maka (f _ok ) = 6 kenimika

Nīnau: Ka mamao ma waena o ka lens objective a me ka lens ocular (ka lōʻihi o ka paipu microscope)

Pane:

E nānā i ke kiʻi ma luna. Ke noho ka maka ma ka palena iki, aia ke kiʻi hope loa i hana ʻia e ka lens eyepiece ma kahi mamao palena ʻole. I mea e hiki ai i ke kiʻi hope loa i hana ʻia e ka lens eyepiece ke mamao palena ʻole, pono ke kiʻi maoli i hana ʻia e ka lens objective ma ke kiko kikowaena o ka lens eyepiece. No laila, ʻo ka mamao ma waena o ka lens objective a me ka lens eyepiece (l) = ka mamao o ke kiʻi maoli mai ka lens objective (s _ob ') + ka lōʻihi kikowaena o ka lens eyepiece (f _ok ).

ʻO ka mamao o ke kiʻi maoli mai ke aniani pahuhopu (s_ob') :

1/s _ob + 1/s _ob ' = 1/f _ob

1/s _ob ' = 1/f _ob – 1/s _ob

1/s _ob ' = 1/1,8 – 1/2

1/s _ob ' = 10/18 – 9/18 = 1/18

s _ob ' = 18 kenimika

Ka mamao ma waena o ka lens objective a me ka lens ocular (ka lōʻihi o ka paipu microscope):

l = s _ob ' + f _ok

l = 18 kenimika + 6 kenimika

l = 24 kenimika

ʻO ka pane pololei ʻo B.

Puna nīnau:

Nā Nīnau Hoʻokolohua Lahui no ke Kino no ke Kula Kiʻekiʻe/Kula Kiʻekiʻe ʻOihana

Puna nīnau:

Nā Nīnau Hoʻokolohua Lahui no ke Kino no ke Kula Kiʻekiʻe/Kula Kiʻekiʻe ʻOihana