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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

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) PV = mRT/M

C) P₁V₁=P₂V₂

D) P₁/T₁= P₂/T₂

2 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) gigrometr

C) termometr

D) Barometr

3 / 25

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

A) 190°C

B) 293°C

C) 260°C

D) 203°C

4 / 25

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

A) R=8,31*10³ J/mol K

B) R=8,31 J/mol K

C) P=3,14

D) K=1,38 J/K

5 / 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

6 / 25

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

A) D = 2 – R

B) D = m / V

C) D = V / S

D) D = C / π

7 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

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

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyilmaydi

8 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) p/T=const

C) v=m/M

D) pT=const

9 / 25

Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi

A) Broun xarakati

B) Erish

C) Diffuziya

D) Broun xarakati

10 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²³ 1/ mol

11 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qaynash temperaturasi

D) Suvning qotish temperaturasi

12 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) Modda tempraturasiga

C) modda miqdoriga

D) modda zichligiga

13 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalarning atomlardan tashkil topishi

B) Diffuziya

C) Broun harakati

D) Molekulalar orasidagi tortitish kuchi

14 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

15 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) issiqlik balansi

16 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) bo‘lak, parcha

C) mashina

D) kuch

17 / 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

18 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) 123 K

C) 423 K

D) -123 K

19 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 100 gradus S

C) 373 gradus S

D) -173 gradus S

20 / 25

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

A) Maksvell

B) Shtern

C) Broun

D) Avogadro

21 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qaynash temperaturasi

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

22 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = m / M

23 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

24 / 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¯⁴² g

D) 4,6 * 10¯²³ g

25 / 25

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

A) 2 marta kamayadi

B) 4 marta kamayadi

C) 4 marta ortadi

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

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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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