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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

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

2 / 25

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

A) adibatik

B) izotermik

C) izaxorik

D) izobarik

3 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = 1 / T

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

4 / 25

1 m³ suvda necha molekula bor?

A) 10⁵

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 6 * 10²³

5 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = F/S

C) δ(sigma) = Q/L

D) δ(sigma) =Q/m

6 / 25

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

A) 4,6 * 10¯²³ g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯⁴² g

7 / 25

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

A) D = V / S

B) D = 2 – R

C) D = C / π

D) D = m / V

8 / 25

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

A) Avogadro

B) Sharl

C) Gey – Lyussak

D) Boyl-Mariott

9 / 25

Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) shudring tempraturasi

D) absolyut tempraturasi

10 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) - 373 gradus S

C) 373 gradus S

D) -173 gradus S

11 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=cm Δt

B) Q=L m

C) Q=A+ΔU

D) Q= l m

12 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU+A

C) Q= ΔU

D) Q=A

13 / 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

14 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Molekulalarning atomlardan tashkil topishi

C) Diffuziya

D) Broun harakati

15 / 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) 4marta ortadi

C) O’zgarmaydi

D) 5marta kamayadi

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

C) 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

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

17 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=T/=const

C) p=2/3 nEk

D) pV=m/MRT

18 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

19 / 25

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

A) 4 marta ortadi

B) 2 marta kamayadi

C) 4 marta kamayadi

D) 2 marta ortadi

20 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

21 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) harakat

C) mashina

D) bo‘lak, parcha

22 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyilmaydi

B) Cheksiz yoyiladi

C) Moy qatlamining qalinligiga bog'liq

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

23 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 10⁵

24 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) Avogadro

C) J.Maksvel

D) O.Shtern

25 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) ideal gaz

B) tempratura

C) issiqlik muvozanati

D) to’yingan bug’

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9-sinf Fizika 2-chorak

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71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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