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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

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

2 / 25

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

A) Shtern

B) Maksvell

C) Avogadro

D) Broun

3 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Bug'lanish va Qaynash

C) Bug'lanish

D) Diffuziya

4 / 25

Diffuziya tezligi nimaga bog’liq

A) Modda tempraturasiga

B) modda miqdoriga

C) modda zichligiga

D) tashqi bosimga

5 / 25

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

A) 190°C

B) 293°C

C) 203°C

D) 260°C

6 / 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

7 / 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

8 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁V₁=P₂V₂

C) P₁/T₁= P₂/T₂

D) P₂V₁/T₁= P₂V₂/T₂

9 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) pT=const

C) p/T=const

D) v=m/M

10 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) harakat

C) kuch

D) bo‘lak, parcha

11 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) p=2/3 nEk

C) pV=T/=const

D) pV=m/MRT

12 / 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

13 / 25

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

A) Boyl-Mariott

B) Sharl’

C) Gey – Lyussak

D) Avogadro

14 / 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

15 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) ΔU=-A

C) Q= ΔU

D) Q= ΔU+A

16 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) -423 K

C) 123 K

D) 423 K

17 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) Q= ΔU

D) ΔU=-A

18 / 25

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

A) adibatik

B) izotermik

C) izobarik

D) izaxorik

19 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) PV = mRT/M

C) Pm = vRT/M

D) Pr = mRT/v

20 / 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

21 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

22 / 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

23 / 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) Boyl-Mariott

D) Gey – Lyussak

24 / 25

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

A) 2 marta kamayadi

B) 2 marta ortadi

C) 4 marta ortadi

D) 4 marta kamayadi

25 / 25

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

A) T = t + 273

B) T = t- 273

C) T = 273 - t

D) T = - t - 273

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9-sinf Fizika 2-chorak

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86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

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