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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

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) ideal gaz

B) issiqlik muvozanati

C) tempratura

D) to’yingan bug’

2 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

3 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning kritik temperaturasi

D) Suvning qotish temperaturasi

4 / 25

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

A) 2 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 4 marta kamayadi

5 / 25

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

A) 190°C

B) 203°C

C) 293°C

D) 260°C

6 / 25

Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi

A) modda

B) moda miqdori

C) nisbiy molekulalar massa

D) molar massasi

7 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) modda miqdoriga

C) Modda tempraturasiga

D) tashqi bosimga

8 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

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

B) Cheksiz yoyilmaydi

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyiladi

9 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalarning atomlardan tashkil topishi

B) Molekulalar orasidagi tortitish kuchi

C) Diffuziya

D) Broun harakati

10 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

11 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) mashina

C) bo‘lak, parcha

D) harakat

12 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) tempratura muvozanati

D) issiqlik balansi

13 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) p=2/3 nEk

C) pV=T/=const

D) pV=RT

14 / 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) P=3,14

D) K=1,38 J/K

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) Avogadro

D) Sharl

16 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU+A

C) ΔU=-A

D) Q= ΔU

17 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) issiqlik balansi

18 / 25

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

A) V₂ = R₁ P₂ V₁/ T₁ T₂

B) V₂ = P₁ V₁ T ₂ / T₁ P₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

19 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = m / M

C) ν (nyu) = 1 / T

D) ν (nyu) = N / Na

20 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -123 K

C) -423 K

D) 123 K

21 / 25

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

A) absolyut tempraturasi

B) qaynash tempraturasi

C) bug’lanish tempraturasi

D) shudring tempraturasi

22 / 25

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

A) adibatik

B) izaxorik

C) izobarik

D) izotermik

23 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

B) Suvning kritik temperaturasi

C) Suvning qaynash temperaturasi

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

24 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) ΔU=-A

C) Q= ΔU+A

D) Q= ΔU

25 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) - 373 gradus S

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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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

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