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9-sinf Fizika 2-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 2-chorak

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1 / 25

Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan

A) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi

B) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi

C) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud

D) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi

2 / 25

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

A) modda

B) molar massasi

C) moda miqdori

D) nisbiy molekulalar massa

3 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) v=m/M

C) pV=const

D) pT=const

4 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) modda zichligiga

C) modda miqdoriga

D) Modda tempraturasiga

5 / 25

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

A) Shtern

B) Avogadro

C) Maksvell

D) Broun

6 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) gigrometr

C) psixrometr

D) termometr

7 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Diffuziya

C) Bug'lanish va Qaynash

D) Bug'lanish

8 / 25

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

A) 2marta kamayadi

B) O’zgarmaydi

C) 5marta kamayadi

D) 4marta ortadi

9 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalar orasidagi tortitish kuchi

C) Broun harakati

D) Molekulalarning atomlardan tashkil topishi

10 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) bo‘lak, parcha

C) kuch

D) harakat

11 / 25

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

A) 4 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 2 marta kamayadi

12 / 25

Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi

A) tempratura muvozanati

B) issiqlik balansi

C) issiqlik muvozanati

D) gaz xolat tenglamasi

13 / 25

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

A) T = t + 273

B) T = 273 - t

C) T = - t - 273

D) T = t- 273

14 / 25

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

15 / 25

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

A) 4 marta ortadi

B) 4 marta kamayadi

C) 2 marta ortadi

D) 2 marta kamayadi

16 / 25

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

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯⁴² g

C) 56 * 10¯²³ g

D) 4,6 * 10¯²³ g

17 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 123 K

B) -123 K

C) -423 K

D) 423 K

18 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) ΔU=-A

C) Q= ΔU+A

D) Q=A

19 / 25

Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin

A) D = 2 – R

B) D = C / π

C) D = m / V

D) D = V / S

20 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qaynash temperaturasi

C) Suvning qotish temperaturasi

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

21 / 25

Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi

A) issiqlik muvozanati

B) tempratura muvozanati

C) gaz xolat tenglamasi

D) issiqlik balansi

22 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) -173 gradus S

C) 100 gradus S

D) - 373 gradus S

23 / 25

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

A) Shtern

B) Maksvell

C) Broun

D) Avogadro

24 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) Pm = vRT/M

C) PV = RT/M

D) PV = mRT/M

25 / 25

Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating

A) ν (nyu) = Nm / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = m / M

Baholash mezoni

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71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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9-sinf Fizika 2-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

9-sinf Fizika 1-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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