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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) Maksvell

B) Broun

C) Shtern

D) Avogadro

2 / 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

3 / 25

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

A) D = 2 – R

B) D = V / S

C) D = m / V

D) D = C / π

4 / 25

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

A) absolyut tempraturasi

B) qaynash tempraturasi

C) bug’lanish tempraturasi

D) shudring tempraturasi

5 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) - 373 gradus S

C) -173 gradus S

D) 373 gradus S

6 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ (sigma) = F/l

C) δ(sigma) = F/S

D) δ(sigma) =Q/m

7 / 25

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

A) izoxorik

B) izotermik

C) adibatik

D) izobarik

8 / 25

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

A) 4 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 2 marta kamayadi

9 / 25

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

A) Avogadro

B) Sharl

C) Boyl-Mariott

D) Gey – Lyussak

10 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pr = mRT/v

C) Pm = vRT/M

D) PV = RT/M

11 / 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

12 / 25

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

A) V₂ = R₁ P₂ V₁/ T₁ T₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

13 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=cm Δt

C) Q=A+ΔU

D) Q= l m

14 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) Avogadro

C) O.Shtern

D) J.Maksvel

15 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 6 * 10²³

C) 10⁵

D) 3,3 * 10²⁸

16 / 25

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

A) K=1,38 J/K

B) P=3,14

C) R=8,31 J/mol K

D) R=8,31*10³ J/mol K

17 / 25

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

A) 190°C

B) 293°C

C) 260°C

D) 203°C

18 / 25

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

A) Broun

B) Maksvell

C) Shtern

D) Avogadro

19 / 25

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

A) D = V / S

B) D = C / π

C) D = m / V

D) D = 2 – R

20 / 25

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

A) Broun xarakati

B) Diffuziya

C) Erish

D) Broun xarakati

21 / 25

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

A) moda miqdori

B) modda

C) nisbiy molekulalar massa

D) molar massasi

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) PV = mRT/M

C) P₁V₁=P₂V₂

D) P₂V₁/T₁= P₂V₂/T₂

23 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

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

C) Suvning qaynash temperaturasi

D) Suvning kritik temperaturasi

24 / 25

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

A) 2 marta ortadi

B) 2 marta kamayadi

C) 4 marta kamayadi

D) 4 marta ortadi

25 / 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*10²⁴ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

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56%-70% 3 baho

55% va kamiga 2 baho

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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

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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