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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

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

A) T = t + 273

B) T = 273 - t

C) T = - t - 273

D) T = t- 273

2 / 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

3 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=A+ΔU

B) Q=cm Δt

C) Q=L m

D) Q= l m

4 / 25

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

A) izoxorik

B) izobarik

C) adibatik

D) izotermik

5 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q=A

D) Q= ΔU

6 / 25

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

A) Sharl

B) Avogadro

C) Gey – Lyussak

D) Boyl-Mariott

7 / 25

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

A) 4 marta ortadi

B) 4 marta kamayadi

C) 2 marta kamayadi

D) 2 marta ortadi

8 / 25

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

A) D = C / π

B) D = 2 – R

C) D = V / S

D) D = m / V

9 / 25

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

A) tempratura muvozanati

B) issiqlik balansi

C) gaz xolat tenglamasi

D) issiqlik muvozanati

10 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) ΔU=-A

C) Q= ΔU+A

D) Q= ΔU

11 / 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 = R₁ P₂ V₁/ T₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

12 / 25

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

A) 56 * 10¯²³ g

B) 4,6 * 10¯²⁴ g

C) 4,6 * 10¯²³ g

D) 4,6 * 10¯⁴² g

13 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

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

14 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

15 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Bug'lanish

C) Bug'lanish va Qaynash

D) Diffuziya

16 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) ideal gaz

B) tempratura

C) to’yingan bug’

D) issiqlik muvozanati

17 / 25

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

A) 4marta ortadi

B) 5marta kamayadi

C) O’zgarmaydi

D) 2marta kamayadi

18 / 25

Diffuziya tezligi nimaga bog’liq

A) Modda tempraturasiga

B) modda zichligiga

C) tashqi bosimga

D) modda miqdoriga

19 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

20 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 5 * 10²⁵

D) 6 * 10²³

21 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=T/=const

C) pV=m/MRT

D) pV=RT

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁/T₁= P₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

23 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Diffuziya

C) Molekulalarning atomlardan tashkil topishi

D) Broun harakati

24 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) O.Shtern

C) L.Bolsman

D) J.Maksvel

25 / 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

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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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

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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