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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

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

A) ν (nyu) = m / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = Nm / M

2 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

3 / 25

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

A) izobarik

B) adibatik

C) izotermik

D) izaxorik

4 / 25

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

A) Broun

B) Avogadro

C) Shtern

D) Maksvell

5 / 25

Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi

A) izobarik

B) adibatik

C) izotermik

D) izoxorik

6 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 10⁵

D) 3,3 * 10²⁸

7 / 25

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

A) 4,6 * 10¯²³ g

B) 4,6 * 10¯²⁴ g

C) 4,6 * 10¯⁴² g

D) 56 * 10¯²³ g

8 / 25

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

A) Avogadro

B) Gey – Lyussak

C) Sharl

D) Boyl-Mariott

9 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) 123 K

C) 423 K

D) -123 K

10 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) Pm = vRT/M

C) Pr = mRT/v

D) PV = mRT/M

11 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qaynash temperaturasi

D) Suvning qotish temperaturasi

12 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 373 gradus S

C) 100 gradus S

D) -173 gradus S

13 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) tashqi bosimga

C) Modda tempraturasiga

D) modda miqdoriga

14 / 25

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

A) Avogadro

B) Boyl-Mariott

C) Sharl’

D) Gey – Lyussak

15 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyilmaydi

B) Cheksiz yoyiladi

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

D) Moy qatlamining qalinligiga bog'liq

16 / 25

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

A) 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

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

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

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

17 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁V₁=P₂V₂

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁/T₁= P₂/T₂

18 / 25

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

A) O’zgarmaydi

B) 5marta kamayadi

C) 4marta ortadi

D) 2marta kamayadi

19 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

20 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 10⁵

C) 5 * 10²⁵

D) 3,3 * 10²⁸

21 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalarning atomlardan tashkil topishi

C) Diffuziya

D) Molekulalar orasidagi tortitish kuchi

22 / 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

23 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) pV=RT

C) pV=T/=const

D) p=2/3 nEk

24 / 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

25 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) Avogadro

C) O.Shtern

D) J.Maksvel

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9-sinf Fizika 2-chorak

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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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