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9-sinf Fizika 2-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 2-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) 373 gradus S

2 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pm = vRT/M

C) Pr = mRT/v

D) PV = RT/M

3 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=cm Δt

C) Q=A+ΔU

D) Q= l m

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) Avogadro

C) Gey – Lyussak

D) Sharl

5 / 25

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

A) izobarik

B) izoxorik

C) izotermik

D) adibatik

6 / 25

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

A) ν (nyu) = 1 / T

B) ν (nyu) = Nm / M

C) ν (nyu) = m / M

D) ν (nyu) = N / Na

7 / 25

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

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) absolyut tempraturasi

D) shudring tempraturasi

8 / 25

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

A) D = V / S

B) D = m / V

C) D = C / π

D) D = 2 – R

9 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) ΔU=-A

D) Q=A

10 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ(sigma) = F/S

C) δ(sigma) =Q/m

D) δ (sigma) = F/l

11 / 25

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

A) issiqlik balansi

B) gaz xolat tenglamasi

C) tempratura muvozanati

D) issiqlik muvozanati

12 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) Modda tempraturasiga

C) modda miqdoriga

D) tashqi bosimga

13 / 25

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

A) 2 marta kamayadi

B) 4 marta ortadi

C) 4 marta kamayadi

D) 2 marta ortadi

14 / 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*10²³ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

15 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 6 * 10²³

D) 10⁵

16 / 25

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

A) molar massasi

B) modda

C) nisbiy molekulalar massa

D) moda miqdori

17 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) L.Bolsman

C) O.Shtern

D) Avogadro

18 / 25

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

A) Broun xarakati

B) Diffuziya

C) Erish

D) Broun xarakati

19 / 25

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

A) Avogadro

B) Maksvell

C) Shtern

D) Broun

20 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) pV=T/=const

C) p=2/3 nEk

D) pV=RT

21 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalarning atomlardan tashkil topishi

C) Molekulalar orasidagi tortitish kuchi

D) Broun harakati

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁V₁=P₂V₂

B) PV = mRT/M

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁/T₁= P₂/T₂

23 / 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

24 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) to’yingan bug’

C) ideal gaz

D) tempratura

25 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Moy qatlamining qalinligiga bog'liq

C) Cheksiz yoyilmaydi

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

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

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