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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

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

A) Maksvell

B) Broun

C) Avogadro

D) Shtern

2 / 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

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalar orasidagi tortitish kuchi

C) Molekulalarning atomlardan tashkil topishi

D) Broun harakati

4 / 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

5 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=m/MRT

C) p=2/3 nEk

D) pV=T/=const

6 / 25

Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan

A) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud

B) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi

C) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi

D) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi

7 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) ideal gaz

C) issiqlik muvozanati

D) to’yingan bug’

8 / 25

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

A) Diffuziya

B) Broun xarakati

C) Broun xarakati

D) Erish

9 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) Avogadro

C) O.Shtern

D) L.Bolsman

10 / 25

O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.?

A) Gey – Lyussak

B) Avogadro

C) Sharl’

D) Boyl-Mariott

11 / 25

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

A) nisbiy molekulalar massa

B) moda miqdori

C) modda

D) molar massasi

12 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) v=m/M

C) pV=const

D) pT=const

13 / 25

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

A) 5marta kamayadi

B) 4marta ortadi

C) O’zgarmaydi

D) 2marta kamayadi

14 / 25

1 m ³ suvda necha molekula bor?

A) 10⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 5 * 10²⁵

15 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=A+ΔU

C) Q=cm Δt

D) Q= l m

16 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) PV = mRT/M

C) Pr = mRT/v

D) PV = RT/M

17 / 25

Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng

A) 4,6 * 10¯²⁴ g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²³ g

D) 4,6 * 10¯⁴² g

18 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) Q= ΔU

D) ΔU=-A

19 / 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) = m / M

D) ν (nyu) = N / Na

20 / 25

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

A) Maksvell

B) Avogadro

C) Shtern

D) Broun

21 / 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

22 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 5 * 10²⁵

D) 10⁵

23 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) 123 K

C) 423 K

D) -123 K

24 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ(sigma) =Q/m

C) δ (sigma) = F/l

D) δ(sigma) = F/S

25 / 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

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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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