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9-sinf Fizika 2-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 2-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

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

A) Broun xarakati

B) Erish

C) Broun xarakati

D) Diffuziya

2 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Bug'lanish va Qaynash

C) Diffuziya

D) Bug'lanish

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalar orasidagi tortitish kuchi

C) Molekulalarning atomlardan tashkil topishi

D) Broun harakati

4 / 25

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

A) K=1,38 J/K

B) R=8,31*10³ J/mol K

C) R=8,31 J/mol K

D) P=3,14

5 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 3,3 * 10²⁸

C) 10⁵

D) 6 * 10²³

6 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) Barometr

C) gigrometr

D) termometr

7 / 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

8 / 25

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

A) tempratura muvozanati

B) issiqlik balansi

C) issiqlik muvozanati

D) gaz xolat tenglamasi

9 / 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

10 / 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

11 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁V₁=P₂V₂

B) P₂V₁/T₁= P₂V₂/T₂

C) P₁/T₁= P₂/T₂

D) PV = mRT/M

12 / 25

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

A) 4 marta ortadi

B) 2 marta ortadi

C) 2 marta kamayadi

D) 4 marta kamayadi

13 / 25

Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) shudring tempraturasi

D) absolyut tempraturasi

14 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 10⁵

D) 5 * 10²⁵

15 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) -173 gradus S

C) 373 gradus S

D) - 373 gradus S

16 / 25

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

A) Maksvell

B) Broun

C) Shtern

D) Avogadro

17 / 25

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

A) izaxorik

B) adibatik

C) izobarik

D) izotermik

18 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

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

19 / 25

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

A) issiqlik balansi

B) gaz xolat tenglamasi

C) tempratura muvozanati

D) issiqlik muvozanati

20 / 25

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

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯⁴² g

C) 56 * 10¯²³ g

D) 4,6 * 10¯²³ g

21 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) ΔU=-A

D) Q= ΔU+A

22 / 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

23 / 25

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

A) D = m / V

B) D = 2 – R

C) D = V / S

D) D = C / π

24 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

25 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) Pm = vRT/M

C) PV = mRT/M

D) Pr = mRT/v

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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

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

8-sinf Fizika 4-chorak

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