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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

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qotish temperaturasi

C) Suvning qaynash temperaturasi

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

2 / 25

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

A) gaz xolat tenglamasi

B) issiqlik muvozanati

C) issiqlik balansi

D) tempratura muvozanati

3 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) bo‘lak, parcha

C) mashina

D) kuch

4 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) O.Shtern

C) J.Maksvel

D) L.Bolsman

5 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) Modda tempraturasiga

C) tashqi bosimga

D) modda miqdoriga

6 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 6 * 10²³

C) 3,3 * 10²⁸

D) 10⁵

7 / 25

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

A) Boyl-Mariott

B) Avogadro

C) Sharl’

D) Gey – Lyussak

8 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

9 / 25

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

A) 293°C

B) 203°C

C) 190°C

D) 260°C

10 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) p=2/3 nEk

C) pV=T/=const

D) pV=RT

11 / 25

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

A) D = C / π

B) D = 2 – R

C) D = V / S

D) D = m / V

12 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

13 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = m / M

C) ν (nyu) = N / Na

D) ν (nyu) = 1 / T

14 / 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

15 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) Pm = vRT/M

C) PV = RT/M

D) PV = mRT/M

16 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 10⁵

17 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = F/S

B) δ (sigma) = F/l

C) δ(sigma) =Q/m

D) δ(sigma) = Q/L

18 / 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

19 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = P₁ V₁ T ₂ / T₁ P₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

20 / 25

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

A) izobarik

B) izoxorik

C) adibatik

D) izotermik

21 / 25

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

A) D = m / V

B) D = V / S

C) D = 2 – R

D) D = C / π

22 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q=A

C) Q= ΔU+A

D) Q= ΔU

23 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) -423 K

C) 123 K

D) 423 K

24 / 25

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

A) Broun

B) Avogadro

C) Maksvell

D) Shtern

25 / 25

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

A) Sharl

B) Gey – Lyussak

C) Boyl-Mariott

D) Avogadro

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