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9-sinf Fizika 2-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 2-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 123 K

B) 423 K

C) -423 K

D) -123 K

2 / 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) = Nm / M

D) ν (nyu) = 1 / T

3 / 25

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

A) adibatik

B) izotermik

C) izoxorik

D) izobarik

4 / 25

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

A) 4,6 * 10¯²³ g

B) 4,6 * 10¯⁴² g

C) 4,6 * 10¯²⁴ g

D) 56 * 10¯²³ g

5 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10³⁴ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

6 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = R₁ P₂ V₁/ T₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

7 / 25

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

A) T = - t - 273

B) T = t + 273

C) T = t- 273

D) T = 273 - t

8 / 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

9 / 25

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

A) Maksvell

B) Broun

C) Avogadro

D) Shtern

10 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=cm Δt

B) Q=A+ΔU

C) Q= l m

D) Q=L m

11 / 25

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

A) qaynash tempraturasi

B) bug’lanish tempraturasi

C) shudring tempraturasi

D) absolyut tempraturasi

12 / 25

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

A) D = C / π

B) D = V / S

C) D = 2 – R

D) D = m / V

13 / 25

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

A) issiqlik muvozanati

B) issiqlik balansi

C) gaz xolat tenglamasi

D) tempratura muvozanati

14 / 25

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

15 / 25

Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi

A) 2marta kamayadi

B) 5marta kamayadi

C) O’zgarmaydi

D) 4marta ortadi

16 / 25

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

A) nisbiy molekulalar massa

B) modda

C) moda miqdori

D) molar massasi

17 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 5 * 10²⁵

D) 10⁵

18 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) L.Bolsman

C) O.Shtern

D) Avogadro

19 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

20 / 25

Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi

A) Erish

B) Broun xarakati

C) Broun xarakati

D) Diffuziya

21 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) Modda tempraturasiga

C) tashqi bosimga

D) modda miqdoriga

22 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) termometr

C) Barometr

D) gigrometr

23 / 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

24 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) kuch

C) harakat

D) bo‘lak, parcha

25 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

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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

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9-sinf Fizika 4-chorak

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