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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

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) pT=const

C) pV=const

D) v=m/M

2 / 25

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

A) Avogadro

B) Gey – Lyussak

C) Boyl-Mariott

D) Sharl’

3 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) tashqi bosimga

C) modda miqdoriga

D) Modda tempraturasiga

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

D) 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

5 / 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) K=1,38 J/K

D) P=3,14

6 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalarning atomlardan tashkil topishi

C) Molekulalar orasidagi tortitish kuchi

D) Broun harakati

7 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

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

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyilmaydi

8 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁/T₁= P₂/T₂

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁V₁=P₂V₂

9 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) mashina

C) harakat

D) bo‘lak, parcha

10 / 25

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

A) 4 marta kamayadi

B) 2 marta kamayadi

C) 2 marta ortadi

D) 4 marta ortadi

11 / 25

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

A) O’zgarmaydi

B) 2marta kamayadi

C) 4marta ortadi

D) 5marta kamayadi

12 / 25

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

A) Shtern

B) Broun

C) Maksvell

D) Avogadro

13 / 25

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

A) 190°C

B) 203°C

C) 260°C

D) 293°C

14 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=RT

C) pV=m/MRT

D) pV=T/=const

15 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) L.Bolsman

C) J.Maksvel

D) O.Shtern

16 / 25

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

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) shudring tempraturasi

D) absolyut tempraturasi

17 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) 123 K

C) -123 K

D) -423 K

18 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) PV = mRT/M

C) Pm = vRT/M

D) PV = RT/M

19 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=cm Δt

B) Q= l m

C) Q=L m

D) Q=A+ΔU

20 / 25

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

A) 4,6 * 10¯⁴² g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯²³ g

21 / 25

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

A) Boyl-Mariott

B) Gey – Lyussak

C) Sharl

D) Avogadro

22 / 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

23 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) issiqlik balansi

24 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) ΔU=-A

D) Q= ΔU

25 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

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9-sinf Fizika 2-chorak

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56%-70% 3 baho

55% va kamiga 2 baho

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