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Page 1: Teimuraz CiCua - მთავარიold.eqe.ge/uploads/Grifireba/GRIFIREBULEBI_2012/Fizika/clio-meridia… · 3.21 karnos cikli 92 3.22 orTqladqceva. najeri orTqli 94 3.23 duRili
Page 2: Teimuraz CiCua - მთავარიold.eqe.ge/uploads/Grifireba/GRIFIREBULEBI_2012/Fizika/clio-meridia… · 3.21 karnos cikli 92 3.22 orTqladqceva. najeri orTqli 94 3.23 duRili

rusudan qanTariaTeimuraz CiCua

leila CiCua

fizika

11m o s w a v l i s w i g n i

2012

grifi mieniWa 2012 wels ganaTlebis xarisxis ganviTarebis erovnuli centris mier

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rusudan qanTaria

Teimuraz CiCua

leila CiCua

fizika

11m o s w a v l i s w i g n i

© gamomcemloba `klio~ 2012© gamomcemloba `meridiani~ 2012© r. qanTaria, T. CiCua, l. CiCua 2012yvela ufleba daculia

Rusudan Qantaria, Teimuraz Chichua, Leila Chichua PHYSICS11th Grade Textbook

gamomcemloba `klio~ aRmaSeneblis gamziri 181, Tbilisi, 0112, saqarTvelo tel.: (+995 32) 234 04 30 E-mail: [email protected] www. klio. ge

gamomcemloba `meridiani~ al. yazbegis gamz. 47, Tbilisi, 0112, saqarTvelo tel.: (+995 32) 239 15 22

redaqtorebi: malxaz goCitaSvili fizikis profesori

marine injgia fizikis maswavlebeli

kompiuteruli uzrunvelyofaelene varamaSvili

ISBN 978-9941-415-83-8

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1 meqanikuri rxevebi da talRebi 7

1.1 meqanikuri rxeva 8

1.2 meqanikuri rxevebis eqsperimentuli Seswavla 10

1.3 Tavisufali rxeva 12

1.4 maTematikuri saqani 13

1.5 zambraze dakidebuli tvirTis rxeva 15

1.6 iZulebiTi rxevebi. rezonansi 17

1.7 meqanikuri talRebi. ganivi da grZivi talRa 19

1.8 meqanikuri talRebis Tvisebebis eqsperimentuli Seswavla 22

1.9 ra aris bgera? 25

1.10 bgeris gavrceleba 27

1.11 bgeris gavrcelebis eqsperimentuli Seswavla 29

I Tavis Sejameba 31

2 eleqtromagnituri rxevebi da talRebi 33

2.1 eleqtromagnituri rxevebi 34

2.2 analogia meqanikur da eleqtromagnitur rxevebs Soris 37

2.3 cvladi deni 39

2.4 cvladi denis generatori 41

2.5 Zabvisa da denis efeqturi mniSvnelobebi. cvladi denis simZlavre 42

2.6 eleqtroenergiis gadacema. transformatori 43

2.7 eleqtromagnituri talRis buneba 46

2.8 eleqtromagnituri talRebis skala 48

II Tavis Sejameba 50

3 Termodinamika 51

3.1 molekulur-kinetikuri Teoriis safuZvlebi 52

3.2 molekulur-kinetikuri Teoriis meore debuleba 55

3.3 difuzia 57

3.4 molekulur-kinetikuri Teoriis mesame debuleba 59

3.5 nivTierebis agregatuli mdgomareobebi 60

3.6 idealuri airis molekulur-kinetikuri Teoria 62

3.7 airis molekulebis siCqaris gazomva. Sternis cda 65

3.8 temperatura 67

S i n a a r s i

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3.9 absoluturi temperatura. absoluturi nuli 70

3.10 idealuri airis mdgomareobis gantoleba 72

3.11 boil-mariotis kanoni 74

3.12 gei-lusakis kanoni 77

3.13 Sarlis kanoni 79

3.14 idealuri airis kanonebi 81

3.15 muSaoba TermodinamikaSi 82

3.16 Sinagani energia 84

3.17 Termodinamikis pirveli kanoni 85

3.18 Termodinamikis pirveli kanoni idealuri airis sxvadasxva

procesebisTvis 87

3.19 Seqcevadi da Seuqcevadi procesebi. Termodinamikis meore kanoni 89

3.20 siTburi Zravebi 90

3.21 karnos cikli 92

3.22 orTqladqceva. najeri orTqli 94

3.23 duRili. duRilis temperaturis damokidebuleba wnevaze 96

3.24 haeris tenianoba 98

3.25 namis wertili. haeris tenianobis gamzomi xelsawyoebi 100

III Tavis Sejameba 102

4 atomi 103

4.1 rezerfordis cda. atomis planetaruli modeli 104

4.2 radioaqtiuri daSlis fizikuri bunebis Seswavla 106

4.3 atombirTvis radioaqtiuri gardaqmnebi. 107

4.4 radioaqtiuri daSlis kanoni. naxevraddaSlis periodi 109

4.5 radioaqtivobis gamoyeneba arqeologiaSi, medicinaSi,

biologiaSi 111

4.6 atombirTvis aRnagoba 112

4.7 birTvuli Zalebi 114

4.8 atomuri birTvebis bmis energia. masis defeqti 116

4.9 jaWvuri reaqcia 118

4.10 birTvuli reaqtori 120

4.11 birTvuli sinTezis reaqcia 123

IV Tavis Sejameba 125

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1meqanikuri rxevebi da talRebi

Seiswavli: meqanikur rxevas, rxevis periods, sixSires, amplitudas, rezonanss; ganiv da grZiv talRebs, talRebis arekvlas; bgeris warmoqmnasa da gavrcelebas, aRqmas; harmoniul rxevas, fazas.

SeZleb: rxevis maxasiaTebel sidideebs Soris raodenobrivi kavSirebis da-

myarebas;

gaaanalizo rezonansis movlena; rxeviTi moZraobis eqsperimentul gamokvlevas; talRuri moZraobis eqsperimentul gamokvlevas; meqanikuri talRebis raodenobriv da Tvisebriv daxasiaTebas; informaciis mopovebas bunebaSi meqanikuri talRebis Sesaxeb; sxvadasxva garemoSi bgeris gavrcelebis siCqaris gansxvavebis mize-

zebis dadgenas;

gamoiyeno mcnebebi, kanonebi da formulebi amocanebis amosaxsne-lad

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1.1 meqanikuri rxeva

rxeviTi moZraoba meqanikuri moZraobis erT-erTi saxea. moZraobas, romlis drosac sxeuli wonas­worobis mdebareobidan xan erT, xan meore mxares gadaadgildeba, rxeviTi moZraoba ewodeba.

bunebaSi rxeviTi moZraobis mravali magaliTia: rxeviT moZraobas asrulebs saaTis qanqara, wonas-worobis mdgomareobidan gamoyvanili saqanela, sake-ravi manqanis nemsi da sxv.

rxeviTi moZraoba iseve, rogorc brunviTi, araTa-nabaria da imavdroulad periodulobiT xasiaTde-ba. e. i. garkveuli drois Sualedis Semdeg moZraoba meordeba. drois am Sualeds rxevis periods uwo-deben. rxevis periodi aRiniSneba – T asoTi.

periodis sazomi erTeulia 1 wm.drois Sualeds, romlis ganmavlobaSic sruldeba

erTi sruli rxeva, rxevis periodi ewodeba.rxeviTi moZraobisas sxeuli periodis ganmavloba-

Si orjer gaivlis wonasworobis mdebareobas. maga-liTad, qanqara erT srul rxevas asrulebs, rodesac igi B wertilidan gadaadgildeba O-Si, Semdeg A-Si da O-s gavliT kvlav ubrundeba B wertils (sur. 1).

merxevi sxeulis wonasworobis mdebareobidan udi des gadaxras rxevis amplituda ewodeba.

pirveli suraTis mixedviT OB amplitudaa da mas Am asoTi aRniSnaven (OB = Am). (burTulas mcire kuT-xiT gadaxrisas qordis da rkalis sigrZeebi TiTqmis tolia).

merxevi sxeuli erTi sruli rxevis Sesrulebisas oTxi amplitudis tol manZils gadis.

drois erTeulSi Sesrulebul rxevaTa ricxvs rxevis sixSire ewodeba.

tN=o

sadac NN aris t droSi Sesrulebuli rxevis ricxvi.rxevis periodi da sixSire urTierTSebrunebuli

sidideebia1

T =o

, 1T=o

.

rxevis sixSiris erTeuli aris herci. 1 herci iseTi rxevis sixSirea, rodesac sxeuli 1 wm-Si erT srul rxevas asrulebs.

Tu Zafze dakidebul burTulas gamoviyvanT wonas-worobis mdgomareobidan da gavuSvebT xels, is dai-wyebs rxevas erTxel miniWebuli energiis xarjze anu

sur. 1

sur. 2

AO

B

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Tavisufal rxevas. Tavisufali rxeva milevadi rxe-vaa. sxeulis Tavisufali rxevis sixSire aris sxeulis rxevis sakuTari sixSire.

merxevi sxeulis siCqare traeqtoriis sxvadasxva wertilSi sxvadasxvaa. kerZod, wonasworobis mdeba-reobis gavlisas misi siCqare maqsimaluria, xolo ki-dura A Ada B BwertilebSi (sur. 1) nulis tolia. Sesa-bamisad, merxevi sxeulis meqanikuri energia mudmivad

icvleba, potenciuri energia 2W kA 2m

p = gardaiqmneba

kinetikurSi 2W kAm2

2m

k

2

= y = da piriqiT.

merxev sxeulze xaxunis (winaaRmdegobis) Zalis mo-qmedebisas energiis nawili ixarjeba winaaRmdegobis daZlevisaTvis muSaobis Sesasruleblad da amotom srulad aRar gardaiqmneba kinetikurSi da piriqiT. amitom rxeva TandaTan miileva. garkveuli drois Sem-deg sxeuli Cerdeba.

rxevebi SeiZleba iyos harmoniuli an anharmoni­uli. rxeva romlis gantoleba gamoisaxeba sinusis an kosinusis kanoniT, harmoniuli rxevaa.

guli muSaobisas rxeviT moZraobas asrulebs (sur. 3). guliscema perioduli procesia. gulis kunTi erT wuTSi saSualod 60-jer ikumSeba. e. i. misi rxevis sixSire daaxloebiT erTi hercia.

aseve, merxevi sxeulebia: zambaraze dakidebuli tvirTi (sur. 2), Sigawvis Zravis tumbos dguSi, musi-kaluri sakravebis simebi da sxva.

gaazreba

1. imsjele, romeli saxis meqanikuri moZraoba Seu-Zlia Seasrulos burTulam me-4 a, b, g suraTze gamo-saxul SemTxvevebSi?

2. imsjele qanqaris rxevisas meqanikuri energiis gardaqmnis Sesaxeb da Seavse gamotovebuli adgilebi me-5 suraTze.

sur. 5

sur. 4

saSinao davaleba

Ek= ...

Ep= ... E

k= ...

Ep= ...

Ek= 0

Ep= maqs

sur. 3

a

g

b

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1.3 Tavisufali rxeva

rxeviT moZraobebs Soris umartivesia Tavisufali rxeva. Tavisufali rxevebi aRiZvreba erTjeradad garedan miniWebuli energiis xarjze da mimdinareobs Siga Zalebis moqmedebiT. Siga Zalebi ewodeba iseT Zalebs, romlebic mxolod sistemaSi Semaval sxeulebs Soris moqmedebs.

magaliTad, qanqara dedamiwasTan erTad SeiZleba ganvixiloT rogorc sxeulTa sistema, romelSic moqmedi Zala Siga Zalaa. xolo zambariani qanqaris rxevisas Siga Zala deformirebul zambaraSi aRZruli drekado-bis Zalaa.

Tavisufali rxeva yovelTvis milevadia. Tavisufali rxevisas sxeulis rxevis sixSires Tavisufauli rxevis sixSire, an rxevis sakuTari sixSire ewodeba. eqsperimentebiT dadginda rom:

Zafze dakidebuli burTulis Tavisufali rxevisas misi amplituda rxevis ganmavlobaSi TandaTan mcirdeba. Tavisufali rxeva milevadia.

wonasworobidan mcire gadaxris dros qanqaris rxevis periodi (six-Sire) amplitudaze ar aris damokidebuli.

mcire gadaxrisas qanqaris rxevis periodis kvadrati qanqaris sigrZis pirdapirproporciulia. qanqaris sigrZis oTxjer gazrdiT orjer iz-rdeba misi rxevis periodi.

wonasworobidan mcire gadaxrisas zambaraze dakidebuli burTulis rxevis periodis kvadrati burTulis masis pirdapirproporciulia – burTulis masis oTxjer gazrdiT zambariani burTulis rxevis periodi orjer gaizrdeba.

Zafze dakidebuli burTulis rxevis periodi mcire gadaxrisas bur-Tulis masaze ar aris damokidebuli.

gaazreba

1. Seicvleba Tu ara saqanelis rxevis periodi, Tu carieli saqanelis skamze tvirTs davdebT (sur. 8)?

2. Tavisufali rxeva milevadia. ra unda movimoq-medoT imisaTvis, rom rxeva ar iyos milevadi?

saSinao davaleba

sur. 8

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maTematikuri saqani

zambariani saqani

x

0

→mg

→mg

→N

→N

→F

dr

→a

km = ω0

2

ω02 =

km

ω02 =

4π 2

T 2 . }mkT = 2π √

zambariani qanqaris rxevis periodi

maTematikuri qanqaris rxevis

periodi

ω02 =

gl .

ω02 =

4π2

T2 . }T + mg = ma→ → →

glT = 2π √

α

y

x

→R

→T

→a1

l

→mg→R = 0

m

→T

→mg

gl = ω0

2

wonasworobidan wanacvleba gamoisaxeba formuliT: x = Amcos (ωt + φ0)daasaxele formulaSi Semavali fizikuri sidideebi

mocemuli sqemis mixedviT imsjele meqanikuri rxevebis Sesaxeb.

I Tavis Sejameba

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meqanikuri talRebidifraqcia arekvla

interferencia

talRis sigrZeλ = υ . T

ganivi talRa grZivi talRa

bgera

xmamaRlobatonis

simaRle

eqolokacia ultrabgera

mocemuli sqemis mixedviT imsjele meqanikuri talRebis Sesaxeb.

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Seiswavli: eleqtrul rxevebs, rxeviT konturs;

cvlad dens, cvladi denis simZlavres;

Zabvisa da denis efeqtur mniSvnelobebs;

cvladi denis generators;

eleqtroenergiis gadacemas; transformators;

eleqtromagnituri talRis bunebas;

sinaTles, rogorc eleqtromagnitur talRas;

eleqtromagnituri talRebis skalas.

SeZleb: . moZebno analogia meqanikur da eleqtrul rxevebs Soris;

cvladi denis generatoris sqemis mixedviT axsna misi moqmedebis principi;

Seafaso cvladi denis mniSvneloba eleqtruli denis generirebasa da gadacemaSi;

aRwero da gaaanalizo eleqtromagnituri talRebis warmoqmna da gavrceleba;

sqematurad warmoadgino eleqtromagnituri skala;

gamoiyeno cnebebi, kanonebi da formulebi amocanebis amosaxsnelad.

2eleqtromagnituri rxevebi da talRebi

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2.8 eleqtromagnituri talRebis skala

bunebaSi arsebobs sxvadasxva sixSirisa da sigrZis eleqtromagnituri talRebi. es talRebi erTmaneTisagan gansxvavdebian ganWolvis unariT, feriT, xilvadobiT... amitom am Tvisebebis gaTvaliswinebiT, talRis sigrZisa da sixSiris mixedviT es talRebi ganawilebulia garkve uli ri-giT da Sedgenilia eleqtromagnituri talRebis skala.

talRis sigrZe 1 mkm = 10–6 m. sixSire 1hc = 1 wamSi rxevaTa ricxvi

kosmosuri sxivebi

gama-gamosxiveba (mcire doziT saSiSia adamianebisTvis)

rentgenis sxivebi (saSiSia adamianebisTvis)

ultraiisferi (didi doziT saSiSia adamianebisTvis)

ultraiisferi (gvxvdeba SeduRebis dros)

ultraiisferi (SedarebiT usafrTxoa xangrZlivizemoqmedebisas)

eleqtromagnituri sxivebis xiluli nawili

maRali intensivobis infrawiTeli talRebi

dabali intensivobis infrawiTeli talRebi

radari (saSiSia adamianisTvis)

televizia, radio

mokle da saSualo radiotalRebi

dabalsixSiruli eleqtruli rxevebi

iisferi

10-m

0.005

0.2

0.32

0.38

0.47

0.43

0.49

0.56

0.6

0.64

0.77

400

5x108

cisferi

yviTeli

lurji

mwvane

narinjisferi

wiTeli

infrawiTeli gamosxiveba

radio sixSireebi

ultraiisferi (iwvevs mzisgan dawvas, azianebs Tvals kancerogenuli)

1thc

1ghc

1mghc

1khc

sixSirehc

talRis sigrZe mkm

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eleqtromagnitur skalaze adamianisaTvis xiluli gamosxivebis diapa-zoni sinamdvi leSi Zalian viwroa da moicavs talRis sigrZeebs 730 nm-dan 380 nm-mde (sur. 14).

eleqtromagnituri talRis mocemul skalaze, qvevidan zeviT TandaTan izrdeba sixSire da Sesabamisad klebulobs talRis sigrZe. aseTi uwyveti cvlilebis miuxedavad raodenobrivi cvlileba TandaTan gadadis mkveT-rad gamoxatul Tvisobriv cvlilebaSi. kerZod skalis qveda nawilSi gamosaxul eleqtromagnitur gamosxivebas mkveTrad gamoxatuli tal- Ruri Tvisebebi aqvs. xolo skalis zeda nawilSi gamosaxul gamosxivebas mkveT rad gamosaxuli korpuskuluri Tvisebebi gaaCnia (nawilakebis msgav-si). am korpuskulebs fotonebs uwodeben.

gaazreba

mocemuli suraTis mixedviT imsjele rogor icvleba energia, talRis sigrZe da sixSire sxvadasxva eleqtromagnituri gamosxivebisaTvis.

sur. 14

saSinao davaleba

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movlenamecnieruli

faqtebihipoteza sidideebi

kanonebi dakanonzomierebebi

eleq

tr

oma

gni

tu

ri

ind

uqc

ia

cvladi eleqtruli veli qmnis magnitur vels

cvladi magnituri veli qmnis eleqtrul vels

eleqtruli magnituri ve-lis arseboba

eleqtromag-nituri tal-Ris arseboba

maqs

vel

is h

ipo

Tez

a

c – teva-doba

L – in-duqci-uroba

q – muxti

ε – induq-ciis emZ

ω – cikluri sixSire

k – trans-formaciis koefici-enti

T – rxevis periodi

ν – rxevis sixSire

λ – talRis sigrZe

eleqtromagnituri induqciis kanoni.

tomsonis formula

T = 2π LC

fazaTa sxvaoba muxtis da denis Zalis myis mniSvnelobebs Soris.

II Tavis Sejameba

mocemuli sqemis mixedviT imsjele eleqtromagnituri movlenebis Sesaxeb.

t = 0

L

C q

a

x

q(t) I(t)

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Seiswavli: molekulur-kinetikuri Teoriis safuZvlebs;

absolutur temperaturas;

idealur airs, idealuri airis kanonebs;

muSaobas TermodinamikaSi;

Termodinamikis kanonebs;

adiabatur process;

karnos cikls;

najer orTqls;

tenianobas.

SeZleb: Camoayalibo molekulur-kinetikuri Teoriis ZiriTadi debulebebi;

raodenobrivad da Tvisebrivad daakavSiro idealuri airis Sinagani energia da wneva temperaturasTan;

martivi cdebiT daakvirde Termodinamikur movlenebs;

daaxasiaTo siTburi Zravis margi qmedebis koeficienti;

gamoiyeno cnebebi, kanonebi da formulebi amocanebis amosaxsnelad.

3 Termodinamika

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102

III Tavis Sejameba

molekulur-kine-tikuri Teoriis

ZiriTadi gantoleba

idealuri airisaTvis

P = 2 3 nĒ

idealuri airisaTvis

Ē = 2 3 kT

idealuri airisaTvis

PV = n

M RT

idealuri airi-saTvis

P1 V1 = P2 V2

P1 T1

= P2 T2

V1 T1

= V2 T2

P = nkTP = P1 + P2

daltonis kanoni

gei-lusakis kanoni

izobaruli procesi

boil-mariotis kanoni

izoqoruli procesi

izoTedrmuli procesi

airis kanonebim = const Sarlis kanoni

Termodinamika

mendeleev-kla-peironis gantoleba

mocemuli sqemis mixedviT imsjele procesebis Sesaxeb. daasaxele formulebSi Semavali fizikuri sidideebi. grafikulad warmoadgine airis kanonebi.

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4atomi

Seiswavli: rezerfordis cdas;

atomis planetarul models;

radioaqtivobas;

naxevardaSlis periods;

atomis birTvis aRnagobas, birTvul Zalebs;

masis defeqts;

jaWvur reaqcias;

birTvul reaqtors;

birTvuli sinTezis reaqciebs.

SeZleb: daaxasiaTo birTvuli Zalebi;

sqematurad aRwero jaWvuri birTvuli reaqcia;

aRwero birTvuli reaqtoris muSaoba;

moipovo informacia birTvuli energiis gamoyenebis Sesaxeb;

Seafaso birTvuli energiis gamoyenebis gavlena garemoze.

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movlenamecnieruli

faqtebihipoteza sidideebi mecnieruli Sedegi

radio­aqtivoba

jaWvuri reaqcia

atomisaRnagoba

atomis daS­la

radioaqti­uri gamos­xiveba

TermobirT­vuli sin­Tezi

atomi ganu­

yofelia

tomsonis modeli

M – atomis masa

Z – pro­tonebis ricx­vi

N – neitronebis ricxvi

e – eleqtro­nis muxti

me – eleqtro­nis masa

naxevraddaS­lis periodi

N N e t1 0= m-

rezerfordis atomi

boris postulatebi

bmis kuTri energia

birTvuli Zalebi

bmis energia

E (Zm Nm M )cp n2

bmis b= + -

IV Tavis Sejameba

mocemuli sqemis mixedviT imsjele atom­birTvuli movlenebis Se­saxeb da birTvuli energiis gamoyenebaze.

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§ 4.9 saSinao davaleba

1. 8,2•1010 j

§ 4.10 saSinao davaleba

1. 964 kg2. 58,24 mgvt

§ 4.11 saSinao davaleba

1. 17,4 mgev2. 17,6 mgev3. 21,2•1023 mgev