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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) gaz xolat tenglamasi

B) tempratura muvozanati

C) issiqlik balansi

D) issiqlik muvozanati

2 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi

B) Cheksiz yoyiladi

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyilmaydi

3 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) Avogadro

C) J.Maksvel

D) L.Bolsman

4 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) ideal gaz

B) tempratura

C) to’yingan bug’

D) issiqlik muvozanati

5 / 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 ortadi

D) 2 marta kamayadi

6 / 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*10²⁶ 1/ mol

D) Avogadro 6*10²³ 1/ mol

7 / 25

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

A) Avogadro

B) Maksvell

C) Shtern

D) Broun

8 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) v=m/M

C) pT=const

D) pV=const

9 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) tashqi bosimga

C) Modda tempraturasiga

D) modda zichligiga

10 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) pV=RT

C) p=2/3 nEk

D) pV=m/MRT

11 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qotish temperaturasi

C) Suvning qaynash temperaturasi

D) Suvning kritik temperaturasi

12 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 10⁵

D) 6 * 10²³

13 / 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

14 / 25

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

A) issiqlik muvozanati

B) issiqlik balansi

C) gaz xolat tenglamasi

D) tempratura muvozanati

15 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pr = mRT/v

C) PV = RT/M

D) Pm = vRT/M

16 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) 373 gradus S

C) - 373 gradus S

D) -173 gradus S

17 / 25

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

A) izobarik

B) izotermik

C) izaxorik

D) adibatik

18 / 25

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

A) Gey – Lyussak

B) Boyl-Mariott

C) Sharl

D) Avogadro

19 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=cm Δt

C) Q=L m

D) Q=A+ΔU

20 / 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

21 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) Q= ΔU+A

D) ΔU=-A

22 / 25

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

A) 4,6 * 10¯²⁴ g

B) 56 * 10¯²³ g

C) 4,6 * 10¯⁴² g

D) 4,6 * 10¯²³ g

23 / 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) = 1 / T

D) ν (nyu) = N / Na

24 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) ΔU=-A

C) Q= ΔU+A

D) Q=A

25 / 25

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

A) adibatik

B) izobarik

C) izotermik

D) izoxorik

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