optica geometrica Flashcards by Preda Iuliana | Brainscape

Q

indicele de refractie

A

c/v

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Q

viteza luminii in vid

A

3 x 10^8 m/s

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Q

legea a 2 a a reflexiei

A

i=r

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Q

legea a 2 a a refractiei

A

n1 x sini=n2 x sinr

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Q

sinus

A

cateta opusa/ipotenuza

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Q

cosinus

A

cateta alaturata pe ipotenuza

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Q

tangenta

A

sinus/cosinus
cateta opusa/alaturata

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Q

cotangenta

A

cosinus/sinus
cateta alaturata/opusa

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Q

sin l

A

n2/n1
1/n daca e aer

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Q

raza cercului format la suprafata apei

A

H x tgl
H x 1/rad n^2-1

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Q

h aparenta

A

tgr x h/tgi

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Q

h aparenta in incidenta normala

A

hbazin/n

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Q

aproximatia paraxiala

A

sin =tg =alfa in radieni

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Q

n prisma

A

n=sin i/sin r
1/n=sinr/sini
(sin devmin+A/2)/sin A/2

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Q

a prisma

A

r+r”

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Q

unghiul de deviatie prisma

A

i+i”-A

Q

convergenta lentilei

A

(nl/nm -1)(1/R1 - 1/R2)
1/f

Q

marirea liniara transversala

A

y2/y1 sau x2/x1

Q

formula punctelor conjugate/calculul ochelarilor

A

1/x2-1/x1=1/f=C

Q

formula lui newton pentru lentile

A

d0 x d1=f^2

Q

formule lentila si ecran

A

d mai mare sau egal cu 4f
x1= -x2

Q

lama cu fete plan paralele

A

d=e(1-1/n)

Q

convergenta totala sistem de lentile

A

C1+C2+C3

Q

distanta focala totala sistem de lentile

A

1/ftot=1/f1 +1/f2

Q

marirea liniara transversala sistem

A

betatot=beta1 x beta2 x beta 3

Q

marirea liniara transversala sistem afocal

A

-f2/f1

Q

puterea separatorie

A

1/d

Q

convergenta lupei

A

tg(alfa2)/y1
1/f

Q

grosismentul

A

tg(alfa2)/tg(alfa1)

Q

puterea microscopului

A

e/fobiectiv x focular=4G
e x Cob x Coc

Q

sin de a+b

A

sina x cosb + sinb x cosa

Q

distanta de la bat la moneda

A

H (tgi - sini/rad(n^2-sin^2i)

Q

marime liniara transversala imagine rasturnata

A

mai mica decat 0

Q

marime liniara transversala imagine marita

A

mai mare decat 1

Q

tg alfa1

A

y1/x1

Q

tg alfa 2

A

y2/2f