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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) Broun

B) Maksvell

C) Avogadro

D) Shtern

2 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) issiqlik balansi

D) tempratura muvozanati

3 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -423 K

C) -123 K

D) 123 K

4 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=cm Δt

C) Q=L m

D) Q=A+ΔU

5 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) PV = RT/M

C) PV = mRT/M

D) Pm = vRT/M

6 / 25

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

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯²³ g

C) 56 * 10¯²³ g

D) 4,6 * 10¯⁴² g

7 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU+A

C) ΔU=-A

D) Q= ΔU

8 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

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

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

9 / 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

10 / 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

11 / 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) O’zgarmaydi

C) 5marta kamayadi

D) 4marta ortadi

12 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) J.Maksvel

C) O.Shtern

D) L.Bolsman

13 / 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

14 / 25

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

A) Diffuziya

B) Broun xarakati

C) Broun xarakati

D) Erish

15 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pT=const

C) p/T=const

D) pV=const

16 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) issiqlik muvozanati

C) to’yingan bug’

D) ideal gaz

17 / 25

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

A) R=8,31 J/mol K

B) K=1,38 J/K

C) R=8,31*10³ J/mol K

D) P=3,14

18 / 25

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

A) gaz xolat tenglamasi

B) issiqlik muvozanati

C) tempratura muvozanati

D) issiqlik balansi

19 / 25

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

A) 2 marta ortadi

B) 4 marta kamayadi

C) 4 marta ortadi

D) 2 marta kamayadi

20 / 25

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

A) Broun

B) Avogadro

C) Shtern

D) Maksvell

21 / 25

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

A) D = C / π

B) D = 2 – R

C) D = m / V

D) D = V / S

22 / 25

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

A) 260°C

B) 203°C

C) 190°C

D) 293°C

23 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) termometr

C) gigrometr

D) psixrometr

24 / 25

Dinamika so‘zining ma’nosi nima

A) bo‘lak, parcha

B) harakat

C) kuch

D) mashina

25 / 25

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

A) Boyl-Mariott

B) Gey – Lyussak

C) Sharl’

D) Avogadro

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9-sinf Fizika 2-chorak

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Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

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