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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) 4marta ortadi

B) O’zgarmaydi

C) 2marta kamayadi

D) 5marta kamayadi

2 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) Barometr

C) gigrometr

D) psixrometr

3 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) ideal gaz

C) tempratura

D) issiqlik muvozanati

4 / 25

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

A) D = m / V

B) D = C / π

C) D = V / S

D) D = 2 – R

5 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

6 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Moy qatlamining qalinligiga bog'liq

B) Cheksiz yoyilmaydi

C) Cheksiz yoyiladi

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

7 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) L.Bolsman

C) Avogadro

D) O.Shtern

8 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalar orasidagi tortitish kuchi

C) Molekulalarning atomlardan tashkil topishi

D) Broun harakati

9 / 25

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

A) R=8,31*10³ J/mol K

B) P=3,14

C) R=8,31 J/mol K

D) K=1,38 J/K

10 / 25

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

A) gaz xolat tenglamasi

B) tempratura muvozanati

C) issiqlik muvozanati

D) issiqlik balansi

11 / 25

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

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

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

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

12 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) pV=T/=const

C) pV=RT

D) p=2/3 nEk

13 / 25

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

A) 190°C

B) 293°C

C) 260°C

D) 203°C

14 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Qaynash

C) Bug'lanish

D) Diffuziya

15 / 25

P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

16 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

17 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = F/S

C) δ(sigma) =Q/m

D) δ(sigma) = Q/L

18 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) - 373 gradus S

D) -173 gradus S

19 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) PV = mRT/M

C) PV = RT/M

D) Pm = vRT/M

20 / 25

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

A) 2 marta ortadi

B) 2 marta kamayadi

C) 4 marta ortadi

D) 4 marta kamayadi

21 / 25

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

A) Avogadro

B) Boyl-Mariott

C) Gey – Lyussak

D) Sharl

22 / 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

23 / 25

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

A) Maksvell

B) Avogadro

C) Broun

D) Shtern

24 / 25

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

A) 4,6 * 10¯²³ g

B) 56 * 10¯²³ g

C) 4,6 * 10¯⁴² g

D) 4,6 * 10¯²⁴ g

25 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q= ΔU

D) Q=A

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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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