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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

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

A) shudring tempraturasi

B) qaynash tempraturasi

C) bug’lanish tempraturasi

D) absolyut tempraturasi

2 / 25

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

A) ν (nyu) = N / Na

B) ν (nyu) = m / M

C) ν (nyu) = Nm / M

D) ν (nyu) = 1 / T

3 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = P₁ V₁ T ₂ / T₁ P₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

4 / 25

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

A) Maksvell

B) Shtern

C) Avogadro

D) Broun

5 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) 123 K

D) -423 K

6 / 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

7 / 25

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

A) Gey – Lyussak

B) Sharl

C) Boyl-Mariott

D) Avogadro

8 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) 373 gradus S

9 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU+A

C) Q= ΔU

D) ΔU=-A

10 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ(sigma) = Q/L

C) δ(sigma) = F/S

D) δ (sigma) = F/l

11 / 25

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

A) issiqlik balansi

B) tempratura muvozanati

C) gaz xolat tenglamasi

D) issiqlik muvozanati

12 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) ΔU=-A

D) Q= ΔU+A

13 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) J.Maksvel

D) Avogadro

14 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) bo‘lak, parcha

C) kuch

D) mashina

15 / 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) Sharl’

D) Avogadro

16 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

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) 2marta kamayadi

C) 5marta kamayadi

D) O’zgarmaydi

18 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

B) Suvning qaynash temperaturasi

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

D) Suvning kritik temperaturasi

19 / 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*10³⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

20 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

21 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) ideal gaz

C) to’yingan bug’

D) issiqlik muvozanati

22 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalarning atomlardan tashkil topishi

B) Diffuziya

C) Molekulalar orasidagi tortitish kuchi

D) Broun harakati

23 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) pT=const

C) v=m/M

D) pV=const

24 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Diffuziya

C) Bug'lanish

D) Qaynash

25 / 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

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

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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

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