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9-sinf Fizika 3-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 3-chorak

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1 / 25

Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi

A) 5marta kamayadi

B) 4marta ortadi

C) O’zgarmaydi

D) 2marta kamayadi

2 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) p=2/3 nEk

C) pV=RT

D) pV=m/MRT

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Diffuziya

C) Molekulalarning atomlardan tashkil topishi

D) Broun harakati

4 / 25

Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi

A) Broun

B) Maksvell

C) Shtern

D) Avogadro

5 / 25

Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating

A) R=8,31 J/mol K

B) P=3,14

C) R=8,31*10³ J/mol K

D) K=1,38 J/K

6 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) bo‘lak, parcha

C) mashina

D) kuch

7 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

8 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Moy qatlamining qalinligiga bog'liq

C) Cheksiz yoyilmaydi

D) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi

9 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 10⁵

D) 3,3 * 10²⁸

10 / 25

Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi

A) nisbiy molekulalar massa

B) modda

C) moda miqdori

D) molar massasi

11 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) pV=const

C) v=m/M

D) pT=const

12 / 25

Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng?

A) 25 sm

B) 20 sm

C) 15 sm

D) 10 sm

13 / 25

Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi

A) l=F

B) l- f

C) l>2F

D) l- F

14 / 25

D = 1 / L₀ - 1 / d₁ formula yordamida nima aniqlanadi? L₀- sog’ ko'zning yaxshi ko'rish masofasi, d₁- nuqsonli ko’zning yaxshi ko’rish masofasi

A) Linzaning fokus masofasini

B) Ko’zning eng yaxshi ko’rish masofasini

C) Nuqsonni ko’z uchun ko’zoynak optik kuchini

D) Linzaning optik kuchini

15 / 25

4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng.

A) 16 dptr

B) 4 dptr

C) 10 dptr

D) 8 dptr

16 / 25

Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating

A) υ = λ / ν

B) υ = S / t

C) c = λ / T

D) υ = at

17 / 25

Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng?

A) 0,1

B) 1

C) 10

D) 8,3

18 / 25

Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi?

A) Uzoqdan ko’rarlik, qavariq

B) Daltonizm, qavariq

C) Yaqindan ko’rarlik, botiq

D) Ranglarni ajratmaslik, botiq

19 / 25

Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi?

A) Proyeksion apparat

B) Fotoapparat

C) Lupa

D) Fotoapparat va ko’z

20 / 25

P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = R₁ P₂ V₁/ T₁ T₂

D) V₂ = T₁ P₂ / P₁ V₁ T₂

21 / 25

m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli

A) izaxorik

B) izobarik

C) adibatik

D) izotermik

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) PV = RT/M

C) Pr = mRT/v

D) PV = mRT/M

23 / 25

Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng

A) 4,6 * 10¯⁴² g

B) 4,6 * 10¯²³ g

C) 56 * 10¯²³ g

D) 4,6 * 10¯²⁴ g

24 / 25

Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ?

A) T = t- 273

B) T = t + 273

C) T = - t - 273

D) T = 273 - t

25 / 25

Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi

A) 2 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 4 marta kamayadi

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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9-sinf Fizika 3-chorak

Ismi familiyangizni kriting:

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

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9-sinf Fizika 4-chorak

9-sinf Fizika 4-chorak

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