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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) Avogadro

C) Maksvell

D) Broun

2 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) 123 K

C) -423 K

D) -123 K

3 / 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) Sharl

D) Boyl-Mariott

4 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=A+ΔU

C) Q=cm Δt

D) Q=L m

5 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 100 gradus S

C) 373 gradus S

D) -173 gradus S

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

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = F/S

B) δ(sigma) =Q/m

C) δ(sigma) = Q/L

D) δ (sigma) = F/l

8 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) tempratura muvozanati

D) issiqlik balansi

9 / 25

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

A) adibatik

B) izotermik

C) izaxorik

D) izobarik

10 / 25

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

A) absolyut tempraturasi

B) bug’lanish tempraturasi

C) qaynash tempraturasi

D) shudring tempraturasi

11 / 25

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

A) ν (nyu) = m / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = Nm / M

12 / 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

13 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

14 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 10⁵

D) 5 * 10²⁵

15 / 25

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

A) adibatik

B) izoxorik

C) izotermik

D) izobarik

16 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik balansi

D) issiqlik muvozanati

17 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) p/T=const

C) pT=const

D) v=m/M

18 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Diffuziya

B) Qaynash

C) Bug'lanish va Qaynash

D) Bug'lanish

19 / 25

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

A) D = 2 – R

B) D = V / S

C) D = C / π

D) D = m / V

20 / 25

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

A) P=3,14

B) R=8,31*10³ J/mol K

C) K=1,38 J/K

D) R=8,31 J/mol K

21 / 25

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

A) molar massasi

B) nisbiy molekulalar massa

C) modda

D) moda miqdori

22 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) Modda tempraturasiga

C) modda zichligiga

D) tashqi bosimga

23 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) J.Maksvel

C) O.Shtern

D) Avogadro

24 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) to’yingan bug’

C) ideal gaz

D) issiqlik muvozanati

25 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) pV=m/MRT

C) p=2/3 nEk

D) pV=RT

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