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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

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) modda miqdoriga

C) tashqi bosimga

D) Modda tempraturasiga

2 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Diffuziya

C) Bug'lanish va Qaynash

D) Qaynash

3 / 25

Ochiq idishdagi 20⁰C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak

A) 190°C

B) 260°C

C) 203°C

D) 293°C

4 / 25

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

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

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

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

D) 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

5 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pT=const

C) pV=const

D) p/T=const

6 / 25

Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....?

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²³ 1/ mol

7 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) to’yingan bug’

C) ideal gaz

D) tempratura

8 / 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) 2marta kamayadi

C) 4marta ortadi

D) O’zgarmaydi

9 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) harakat

C) bo‘lak, parcha

D) mashina

10 / 25

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

A) D = V / S

B) D = C / π

C) D = m / V

D) D = 2 – R

11 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) pV=m/MRT

C) pV=RT

D) p=2/3 nEk

12 / 25

O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.?

A) Boyl-Mariott

B) Gey – Lyussak

C) Sharl’

D) Avogadro

13 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Diffuziya

C) Molekulalar orasidagi tortitish kuchi

D) Molekulalarning atomlardan tashkil topishi

14 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

B) Suvning kritik temperaturasi

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

D) Suvning qaynash temperaturasi

15 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) Avogadro

C) L.Bolsman

D) O.Shtern

16 / 25

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

A) molar massasi

B) modda

C) moda miqdori

D) nisbiy molekulalar massa

17 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) termometr

C) psixrometr

D) gigrometr

18 / 25

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

A) D = m / V

B) D = 2 – R

C) D = C / π

D) D = V / S

19 / 25

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

A) adibatik

B) izaxorik

C) izotermik

D) izobarik

20 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) -423 K

D) 123 K

21 / 25

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

A) ν (nyu) = 1 / T

B) ν (nyu) = Nm / M

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

22 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = P₁ V₁ T ₂ / T₁ P₂

C) V₂ = R₁ P₂ V₁/ T₁ T₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

23 / 25

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

A) 4 marta kamayadi

B) 2 marta ortadi

C) 2 marta kamayadi

D) 4 marta ortadi

24 / 25

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

A) 4,6 * 10¯⁴² g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯²³ g

25 / 25

O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni

A) Sharl

B) Boyl-Mariott

C) Gey – Lyussak

D) Avogadro

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 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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