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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

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) 2marta kamayadi

C) 4marta ortadi

D) 5marta kamayadi

2 / 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

3 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₁V₁=P₂V₂

C) PV = mRT/M

D) P₂V₁/T₁= P₂V₂/T₂

4 / 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) Avogadro

D) Gey – Lyussak

5 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalar orasidagi tortitish kuchi

C) Molekulalarning atomlardan tashkil topishi

D) Diffuziya

6 / 25

1 m ³ suvda necha molekula bor?

A) 10⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 5 * 10²⁵

7 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Qaynash

C) Diffuziya

D) Bug'lanish

8 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) to’yingan bug’

C) issiqlik muvozanati

D) ideal gaz

9 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) modda zichligiga

C) modda miqdoriga

D) Modda tempraturasiga

10 / 25

Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating

A) R=8,31 J/mol K

B) R=8,31*10³ J/mol K

C) K=1,38 J/K

D) P=3,14

11 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=m/MRT

C) p=2/3 nEk

D) pV=T/=const

12 / 25

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

13 / 25

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

A) D = V / S

B) D = m / V

C) D = 2 – R

D) D = C / π

14 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU+A

C) ΔU=-A

D) Q= ΔU

15 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ(sigma) = F/S

C) δ (sigma) = F/l

D) δ(sigma) = Q/L

16 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) -423 K

D) 123 K

17 / 25

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

A) 4,6 * 10¯⁴² g

B) 4,6 * 10¯²⁴ g

C) 4,6 * 10¯²³ g

D) 56 * 10¯²³ g

18 / 25

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

A) ν (nyu) = N / Na

B) ν (nyu) = Nm / M

C) ν (nyu) = m / M

D) ν (nyu) = 1 / T

19 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=A+ΔU

C) Q=cm Δt

D) Q=L m

20 / 25

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

A) 2 marta kamayadi

B) 4 marta kamayadi

C) 2 marta ortadi

D) 4 marta ortadi

21 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 10⁵

C) 3,3 * 10²⁸

D) 6 * 10²³

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) Pr = mRT/v

C) Pm = vRT/M

D) PV = mRT/M

23 / 25

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

A) adibatik

B) izoxorik

C) izobarik

D) izotermik

24 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

25 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q=A

D) Q= ΔU

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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

9-sinf Fizika 1-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

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