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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

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*10²⁶ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

2 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) ΔU=-A

C) Q= ΔU+A

D) Q= ΔU

3 / 25

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

A) issiqlik balansi

B) issiqlik muvozanati

C) tempratura muvozanati

D) gaz xolat tenglamasi

4 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ (sigma) = F/l

C) δ(sigma) = Q/L

D) δ(sigma) = F/S

5 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) Pr = mRT/v

C) PV = mRT/M

D) PV = RT/M

6 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

7 / 25

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

A) Sharl

B) Gey – Lyussak

C) Avogadro

D) Boyl-Mariott

8 / 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¯²⁴ g

D) 4,6 * 10¯⁴² g

9 / 25

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

A) shudring tempraturasi

B) qaynash tempraturasi

C) bug’lanish tempraturasi

D) absolyut tempraturasi

10 / 25

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

A) izobarik

B) izaxorik

C) adibatik

D) izotermik

11 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

12 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=A+ΔU

C) Q=cm Δt

D) Q=L m

13 / 25

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

A) 293°C

B) 190°C

C) 260°C

D) 203°C

14 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) bo‘lak, parcha

C) harakat

D) kuch

15 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₂V₁/T₁= P₂V₂/T₂

C) P₁/T₁= P₂/T₂

D) P₁V₁=P₂V₂

16 / 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

17 / 25

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

A) 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

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

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

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

18 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

19 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Broun harakati

C) Diffuziya

D) Molekulalarning atomlardan tashkil topishi

20 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 10⁵

21 / 25

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

A) D = m / V

B) D = V / S

C) D = C / π

D) D = 2 – R

22 / 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) 5marta kamayadi

D) 2marta kamayadi

23 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning kritik temperaturasi

D) Suvning qotish temperaturasi

24 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) J.Maksvel

C) L.Bolsman

D) O.Shtern

25 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) psixrometr

C) Barometr

D) termometr

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9-sinf Fizika 2-chorak

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55% va kamiga 2 baho

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