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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

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

A) R=8,31*10³ J/mol K

B) R=8,31 J/mol K

C) P=3,14

D) K=1,38 J/K

2 / 25

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

A) Broun xarakati

B) Erish

C) Diffuziya

D) Broun xarakati

3 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) p/T=const

C) pT=const

D) v=m/M

4 / 25

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

A) molar massasi

B) moda miqdori

C) nisbiy molekulalar massa

D) modda

5 / 25

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

A) 5marta kamayadi

B) O’zgarmaydi

C) 2marta kamayadi

D) 4marta ortadi

6 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁V₁=P₂V₂

C) P₁/T₁= P₂/T₂

D) PV = mRT/M

7 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=m/MRT

C) pV=RT

D) pV=T/=const

8 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) issiqlik muvozanati

C) to’yingan bug’

D) ideal gaz

9 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

10 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Diffuziya

C) Bug'lanish

D) Qaynash

11 / 25

1 m ³ suvda necha molekula bor?

A) 10⁵

B) 6 * 10²³

C) 5 * 10²⁵

D) 3,3 * 10²⁸

12 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) modda miqdoriga

C) Modda tempraturasiga

D) tashqi bosimga

13 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) termometr

C) psixrometr

D) Barometr

14 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU

C) Q=A

D) Q= ΔU+A

15 / 25

100 K Selsiy shkalasida nimaga teng

A) -173 gradus S

B) - 373 gradus S

C) 373 gradus S

D) 100 gradus S

16 / 25

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

A) 2 marta kamayadi

B) 2 marta ortadi

C) 4 marta ortadi

D) 4 marta kamayadi

17 / 25

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

A) D = V / S

B) D = C / π

C) D = 2 – R

D) D = m / V

18 / 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*10³⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

19 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = 1 / T

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

20 / 25

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

A) T = 273 - t

B) T = t + 273

C) T = t- 273

D) T = - t - 273

21 / 25

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

A) Broun

B) Shtern

C) Avogadro

D) Maksvell

22 / 25

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

A) gaz xolat tenglamasi

B) issiqlik muvozanati

C) tempratura muvozanati

D) issiqlik balansi

23 / 25

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

A) izoxorik

B) izobarik

C) izotermik

D) adibatik

24 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pr = mRT/v

C) PV = RT/M

D) Pm = vRT/M

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) Sharl

C) Avogadro

D) Gey – Lyussak

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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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