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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 shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qaynash temperaturasi

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

D) Suvning qotish temperaturasi

2 / 25

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

A) tempratura muvozanati

B) issiqlik balansi

C) gaz xolat tenglamasi

D) issiqlik muvozanati

3 / 25

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

A) izaxorik

B) adibatik

C) izobarik

D) izotermik

4 / 25

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

A) Broun

B) Avogadro

C) Shtern

D) Maksvell

5 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) 373 gradus S

C) -173 gradus S

D) - 373 gradus S

6 / 25

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

A) D = C / π

B) D = m / V

C) D = 2 – R

D) D = V / S

7 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=cm Δt

C) Q= l m

D) Q=A+ΔU

8 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 5 * 10²⁵

D) 10⁵

9 / 25

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

A) shudring tempraturasi

B) qaynash tempraturasi

C) absolyut tempraturasi

D) bug’lanish tempraturasi

10 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pm = vRT/M

C) PV = RT/M

D) Pr = mRT/v

11 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 123 K

C) -423 K

D) 423 K

12 / 25

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

A) Erish

B) Diffuziya

C) Broun xarakati

D) Broun xarakati

13 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) tashqi bosimga

C) modda zichligiga

D) Modda tempraturasiga

14 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) to’yingan bug’

C) tempratura

D) ideal gaz

15 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Qaynash

C) Diffuziya

D) Bug'lanish va Qaynash

16 / 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) O’zgarmaydi

C) 2marta kamayadi

D) 5marta kamayadi

17 / 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

18 / 25

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

A) P=3,14

B) R=8,31*10³ J/mol K

C) R=8,31 J/mol K

D) K=1,38 J/K

19 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) harakat

C) kuch

D) bo‘lak, parcha

20 / 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*10³⁴ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

21 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=m/MRT

C) pV=T/=const

D) p=2/3 nEk

22 / 25

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

A) moda miqdori

B) molar massasi

C) nisbiy molekulalar massa

D) modda

23 / 25

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

A) D = C / π

B) D = m / V

C) D = 2 – R

D) D = V / S

24 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pT=const

C) p/T=const

D) pV=const

25 / 25

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

A) Avogadro

B) Maksvell

C) Shtern

D) Broun

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9-sinf Fizika 2-chorak

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Baholash mezoni

86%-100% 5 baho

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56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

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