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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

Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi

A) 2marta kamayadi

B) 4marta ortadi

C) 5marta kamayadi

D) O’zgarmaydi

2 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) v=m/M

C) pT=const

D) p/T=const

3 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) p=2/3 nEk

C) pV=RT

D) pV=m/MRT

4 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) J.Maksvel

C) L.Bolsman

D) O.Shtern

5 / 25

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

A) 4 marta kamayadi

B) 2 marta ortadi

C) 2 marta kamayadi

D) 4 marta ortadi

6 / 25

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

A) Diffuziya

B) Erish

C) Broun xarakati

D) Broun xarakati

7 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) harakat

C) bo‘lak, parcha

D) mashina

8 / 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

9 / 25

1 m ³ suvda necha molekula bor?

A) 10⁵

B) 3,3 * 10²⁸

C) 5 * 10²⁵

D) 6 * 10²³

10 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

11 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Broun harakati

C) Diffuziya

D) Molekulalarning atomlardan tashkil topishi

12 / 25

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

A) molar massasi

B) nisbiy molekulalar massa

C) modda

D) moda miqdori

13 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) gigrometr

C) termometr

D) Barometr

14 / 25

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

A) D = C / π

B) D = V / S

C) D = m / V

D) D = 2 – R

15 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) ideal gaz

C) to’yingan bug’

D) tempratura

16 / 25

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

A) izotermik

B) izaxorik

C) adibatik

D) izobarik

17 / 25

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

A) Maksvell

B) Shtern

C) Broun

D) Avogadro

18 / 25

Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ?

A) T = - t - 273

B) T = t- 273

C) T = 273 - t

D) T = t + 273

19 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU+A

C) Q= ΔU

D) Q=A

20 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = 1 / T

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

21 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) -173 gradus S

C) 100 gradus S

D) 373 gradus S

22 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

23 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) PV = RT/M

C) Pm = vRT/M

D) PV = mRT/M

24 / 25

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

A) shudring tempraturasi

B) bug’lanish tempraturasi

C) absolyut tempraturasi

D) qaynash tempraturasi

25 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 10⁵

C) 3,3 * 10²⁸

D) 6 * 10²³

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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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