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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

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) Q= ΔU+A

D) ΔU=-A

2 / 25

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

A) issiqlik balansi

B) issiqlik muvozanati

C) tempratura muvozanati

D) gaz xolat tenglamasi

3 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 10⁵

4 / 25

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

A) 4,6 * 10¯⁴² g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²³ g

D) 4,6 * 10¯²⁴ g

5 / 25

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

A) Gey – Lyussak

B) Sharl

C) Avogadro

D) Boyl-Mariott

6 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q= ΔU

C) Q=A

D) ΔU=-A

7 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) 373 gradus S

C) -173 gradus S

D) - 373 gradus S

8 / 25

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

A) shudring tempraturasi

B) bug’lanish tempraturasi

C) qaynash tempraturasi

D) absolyut tempraturasi

9 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ(sigma) = F/S

C) δ (sigma) = F/l

D) δ(sigma) = Q/L

10 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pT=const

B) v=m/M

C) pV=const

D) p/T=const

11 / 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

12 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Cheksiz yoyilmaydi

C) Moy qatlamining qalinligiga bog'liq

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

13 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 5 * 10²⁵

D) 10⁵

14 / 25

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

A) Broun

B) Avogadro

C) Shtern

D) Maksvell

15 / 25

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

A) 260°C

B) 203°C

C) 293°C

D) 190°C

16 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=T/=const

B) p=2/3 nEk

C) pV=RT

D) pV=m/MRT

17 / 25

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

A) R=8,31*10³ J/mol K

B) P=3,14

C) R=8,31 J/mol K

D) K=1,38 J/K

18 / 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

19 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) J.Maksvel

D) Avogadro

20 / 25

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

A) 4 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 2 marta kamayadi

21 / 25

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

A) Erish

B) Broun xarakati

C) Broun xarakati

D) Diffuziya

22 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) to’yingan bug’

C) ideal gaz

D) issiqlik muvozanati

23 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qaynash temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qotish temperaturasi

24 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Bug'lanish

C) Diffuziya

D) Qaynash

25 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁V₁=P₂V₂

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁/T₁= P₂/T₂

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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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