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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

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 6 * 10²³

D) 5 * 10²⁵

2 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qaynash temperaturasi

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

D) Suvning qotish temperaturasi

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Broun harakati

C) Molekulalarning atomlardan tashkil topishi

D) Molekulalar orasidagi tortitish kuchi

4 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) J.Maksvel

D) Avogadro

5 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10³⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

6 / 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 m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud

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

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

7 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁/T₁= P₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

8 / 25

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

A) 2 marta ortadi

B) 2 marta kamayadi

C) 4 marta ortadi

D) 4 marta kamayadi

9 / 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

10 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) psixrometr

C) termometr

D) gigrometr

11 / 25

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

A) 293°C

B) 260°C

C) 203°C

D) 190°C

12 / 25

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

A) adibatik

B) izaxorik

C) izobarik

D) izotermik

13 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=cm Δt

C) Q=A+ΔU

D) Q=L m

14 / 25

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

A) Gey – Lyussak

B) Boyl-Mariott

C) Avogadro

D) Sharl

15 / 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

16 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) -423 K

C) 123 K

D) 423 K

17 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) - 373 gradus S

18 / 25

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

A) T = 273 - t

B) T = - t - 273

C) T = t + 273

D) T = t- 273

19 / 25

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

A) 4,6 * 10¯²³ g

B) 4,6 * 10¯⁴² g

C) 56 * 10¯²³ g

D) 4,6 * 10¯²⁴ g

20 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) ΔU=-A

D) Q= ΔU

21 / 25

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

A) 4 marta kamayadi

B) 2 marta kamayadi

C) 2 marta ortadi

D) 4 marta ortadi

22 / 25

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

A) Avogadro

B) Maksvell

C) Shtern

D) Broun

23 / 25

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

A) D = m / V

B) D = C / π

C) D = 2 – R

D) D = V / S

24 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

25 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = m / M

C) ν (nyu) = 1 / T

D) ν (nyu) = N / Na

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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

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