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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

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

A) izobarik

B) adibatik

C) izaxorik

D) izotermik

2 / 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

3 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) -173 gradus S

C) - 373 gradus S

D) 373 gradus S

4 / 25

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

A) 56 * 10¯²³ g

B) 4,6 * 10¯²³ g

C) 4,6 * 10¯⁴² g

D) 4,6 * 10¯²⁴ g

5 / 25

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

A) Maksvell

B) Shtern

C) Broun

D) Avogadro

6 / 25

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

A) shudring tempraturasi

B) absolyut tempraturasi

C) qaynash tempraturasi

D) bug’lanish tempraturasi

7 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 123 K

B) 423 K

C) -423 K

D) -123 K

8 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 6 * 10²³

D) 5 * 10²⁵

9 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) Q= ΔU+A

D) ΔU=-A

10 / 25

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

A) V₂ = R₁ P₂ V₁/ T₁ T₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = T₁ P₂ / P₁ V₁ T₂

11 / 25

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

A) ν (nyu) = 1 / T

B) ν (nyu) = Nm / M

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

12 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) Pr = mRT/v

C) PV = mRT/M

D) Pm = vRT/M

13 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) modda miqdoriga

C) modda zichligiga

D) Modda tempraturasiga

14 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

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

B) Moy qatlamining qalinligiga bog'liq

C) Cheksiz yoyilmaydi

D) Cheksiz yoyiladi

15 / 25

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

A) 4 marta kamayadi

B) 2 marta kamayadi

C) 4 marta ortadi

D) 2 marta ortadi

16 / 25

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

A) 260°C

B) 293°C

C) 203°C

D) 190°C

17 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) termometr

C) Barometr

D) psixrometr

18 / 25

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

A) P=3,14

B) K=1,38 J/K

C) R=8,31*10³ J/mol K

D) R=8,31 J/mol K

19 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) tempratura

C) issiqlik muvozanati

D) ideal gaz

20 / 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

21 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) pT=const

C) v=m/M

D) p/T=const

22 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) L.Bolsman

C) O.Shtern

D) J.Maksvel

23 / 25

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

A) modda

B) moda miqdori

C) molar massasi

D) nisbiy molekulalar massa

24 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

25 / 25

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

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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Solishtiring

9-sinf Fizika 2-chorak

Ismi familiyangizni kriting:

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

9-sinf Fizika 1-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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