Na'urorin hangen nesa na gani - matsaloli da mafita

1. Tsawon ruwan tabarau na ido shine 400 cm, kuma tsawon ruwan tabarau na ido shine 20 cm. ido yana da annashuwa, ƙayyade:

a) Girman gabaɗaya na Telescope (M)

b) Nisa daga hoton daga ruwan tabarau na haƙiƙa (d_ob'),

c) Nisa daga hoton daga ruwan tabarau na ido (d_oc)

d) nisan da ke tsakanin ruwan tabarau

An sani:

Tsawon mai da hankali na ruwan tabarau na zahiri (f_ob= 400 cm

Tsawon mai da hankali na ruwan tabarau na ido (f_oc= 20 cm

Idon yana annashuwa don haka ainihin hoton da ruwan tabarau na zahiri ke samarwa yana a wurin da ruwan tabarau na zahiri ke haskakawa da kuma wurin farko na ruwan tabarau na ido.

Magani:

a) Girman gaba ɗaya (M)

M = f_ob /f_oc

M = 400 cm / 20 cm = 20X

Hoton yana kama-da-wane kuma an juya shi.

b) Nisa daga hoton da aka ɗauka daga ruwan tabarau na zahiri (d_ob')

Idan idon ya sassauta, nisan da hoton yake da shi daga ruwan tabarau na zahiri (d_ob') = Tsawon mai da hankali na ruwan tabarau na zahiri (f_ob) = 400 cm = 4 m.

c) Nisa na ainihin hoto daga ruwan tabarau na ido (d_oc)

Idan ido ya sassauta, nisan hoton gaske da ruwan tabarau na ido (s_oc) = Tsawon mai da hankali na ruwan tabarau na ido (f_oc) = 20 cm = 0.2 m.

d) Nisa tsakanin ruwan tabarau

Nisa tsakanin ruwan tabarau = tsawon na'urar hangen nesa (telescope) (l) = Tsawon mai da hankali na ruwan tabarau na zahiri (f_ob+ Tsawon mai da hankali na ruwan tabarau na ido (f_oc) = 400 cm + 20 cm = 420 cm.

2. The distance Tsakanin ruwan tabarau na zahiri da ruwan tabarau na ido shine 20 cm. Girman gaba ɗaya na na'urar hangen nesa idan ido ya sassauta shine sau 40. Lissafa tsawon mai da hankali na ruwan tabarau na ido (f_oc) da kuma tsawon mai da hankali na ruwan tabarau na zahiri (f_ob)

An sani:

Tsawon na'urar hangen nesa (l) = 20 cm

girman na'urorin hangen nesa gaba ɗaya (M) = 40X

Magani:

Idan idon ya sassauta, tsawon mai da hankali na ruwan tabarau na ido (f)_oc) + tsawon mai da hankali na ruwan tabarau na zahiri (f_ob) = tsawon na'urar hangen nesa (l)

f_oc +f_ob = l

f_ob = l – f_oc

f_ob = 20 – f_oc —–> lissafi 1

Girman na'urorin hangen nesa gaba ɗaya (M):

M = f_ob /f_oc

f_ob = M f_oc

f_ob = 40 f_oc —–> lissafi 2

Tsawon mai da hankali na ruwan tabarau na ido :

Madadin f_ob a cikin lissafi na 1 da f_ob a cikin lissafi na 2:

f_ob = 20 – f_oc

40 f_oc = 20 – f_oc

40 f_oc +f_oc = 20

41 f_oc = 20

f_oc = 20 cm / 41

f_oc = 0.5 cm ba

Tsawon mai da hankali na ruwan tabarau na ido = 0.5 cm.

Tsawon mai da hankali na ruwan tabarau na zahiri :

f_ob = 20 – f_oc

f_ob = 20-0.5

f_ob = 19.5 cm ba

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