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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) Shtern

B) Maksvell

C) Avogadro

D) Broun

2 / 25

Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ?

A) T = 273 - t

B) T = t- 273

C) T = t + 273

D) T = - t - 273

3 / 25

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

A) 4 marta ortadi

B) 2 marta kamayadi

C) 4 marta kamayadi

D) 2 marta ortadi

4 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qaynash temperaturasi

C) Suvning qotish temperaturasi

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

5 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 123 K

C) -423 K

D) 423 K

6 / 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

7 / 25

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

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯⁴² g

C) 4,6 * 10¯²³ g

D) 56 * 10¯²³ g

8 / 25

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

A) bug’lanish tempraturasi

B) shudring tempraturasi

C) absolyut tempraturasi

D) qaynash tempraturasi

9 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q= ΔU

C) Q=A

D) ΔU=-A

10 / 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

11 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 5 * 10²⁵

D) 10⁵

12 / 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 = T₁ P₂ / P₁ V₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

13 / 25

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

A) izotermik

B) adibatik

C) izobarik

D) izaxorik

14 / 25

Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi

A) izobarik

B) izotermik

C) adibatik

D) izoxorik

15 / 25

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

A) nisbiy molekulalar massa

B) molar massasi

C) modda

D) moda miqdori

16 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) Avogadro

C) L.Bolsman

D) O.Shtern

17 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

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

B) Cheksiz yoyilmaydi

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyiladi

18 / 25

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

A) R=8,31*10³ J/mol K

B) R=8,31 J/mol K

C) P=3,14

D) K=1,38 J/K

19 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning qotish temperaturasi

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

D) Suvning kritik temperaturasi

20 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) Modda tempraturasiga

C) modda zichligiga

D) tashqi bosimga

21 / 25

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

A) D = C / π

B) D = m / V

C) D = 2 – R

D) D = V / S

22 / 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*10²⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

23 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) psixrometr

C) Barometr

D) termometr

24 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) p=2/3 nEk

C) pV=RT

D) pV=T/=const

25 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pT=const

B) v=m/M

C) p/T=const

D) pV=const

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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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