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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

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

A) issiqlik balansi

B) tempratura muvozanati

C) gaz xolat tenglamasi

D) issiqlik muvozanati

2 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) ΔU=-A

D) Q= ΔU+A

3 / 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

4 / 25

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

A) izaxorik

B) adibatik

C) izobarik

D) izotermik

5 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

6 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = Q/L

C) δ(sigma) =Q/m

D) δ(sigma) = F/S

7 / 25

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

A) T = t + 273

B) T = 273 - t

C) T = - t - 273

D) T = t- 273

8 / 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

9 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU

C) Q=A

D) Q= ΔU+A

10 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = N / Na

C) ν (nyu) = m / M

D) ν (nyu) = 1 / T

11 / 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

12 / 25

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

A) Avogadro

B) Shtern

C) Maksvell

D) Broun

13 / 25

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

A) 4 marta ortadi

B) 4 marta kamayadi

C) 2 marta kamayadi

D) 2 marta ortadi

14 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) 123 K

C) -123 K

D) -423 K

15 / 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

16 / 25

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

A) O’zgarmaydi

B) 5marta kamayadi

C) 4marta ortadi

D) 2marta kamayadi

17 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁/T₁= P₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

18 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalarning atomlardan tashkil topishi

C) Molekulalar orasidagi tortitish kuchi

D) Diffuziya

19 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) J.Maksvel

D) Avogadro

20 / 25

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

A) Broun

B) Avogadro

C) Maksvell

D) Shtern

21 / 25

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

A) D = m / V

B) D = C / π

C) D = 2 – R

D) D = V / S

22 / 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

23 / 25

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

A) moda miqdori

B) molar massasi

C) modda

D) nisbiy molekulalar massa

24 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) Barometr

C) psixrometr

D) termometr

25 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) issiqlik balansi

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

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

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