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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) Shtern

C) Maksvell

D) Avogadro

2 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) - 373 gradus S

D) -173 gradus S

3 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -423 K

C) 123 K

D) -123 K

4 / 25

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

A) adibatik

B) izobarik

C) izoxorik

D) izotermik

5 / 25

P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping

A) V₂ = R₁ P₂ V₁/ T₁ T₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

6 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) Pr = mRT/v

C) PV = RT/M

D) Pm = vRT/M

7 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=L m

C) Q=A+ΔU

D) Q=cm Δt

8 / 25

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

A) 4,6 * 10¯²³ g

B) 4,6 * 10¯⁴² g

C) 4,6 * 10¯²⁴ g

D) 56 * 10¯²³ g

9 / 25

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

A) D = V / S

B) D = 2 – R

C) D = C / π

D) D = m / V

10 / 25

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

A) 2 marta kamayadi

B) 4 marta ortadi

C) 2 marta ortadi

D) 4 marta kamayadi

11 / 25

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

A) Avogadro

B) Maksvell

C) Broun

D) Shtern

12 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) gigrometr

C) termometr

D) psixrometr

13 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 6 * 10²³

D) 10⁵

14 / 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

15 / 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

16 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁V₁=P₂V₂

C) P₁/T₁= P₂/T₂

D) P₂V₁/T₁= P₂V₂/T₂

17 / 25

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

A) Diffuziya

B) Erish

C) Broun xarakati

D) Broun xarakati

18 / 25

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

A) nisbiy molekulalar massa

B) molar massasi

C) moda miqdori

D) modda

19 / 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) 4marta ortadi

C) 2marta kamayadi

D) 5marta kamayadi

20 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyilmaydi

B) Cheksiz yoyiladi

C) Moy qatlamining qalinligiga bog'liq

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

21 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) L.Bolsman

C) J.Maksvel

D) O.Shtern

22 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pT=const

C) pV=const

D) p/T=const

23 / 25

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

A) 203°C

B) 190°C

C) 260°C

D) 293°C

24 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) modda zichligiga

C) Modda tempraturasiga

D) tashqi bosimga

25 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) tempratura

C) ideal gaz

D) to’yingan bug’

Baholash mezoni

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71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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9-sinf Fizika 2-chorak

Ismi familiyangizni kriting:

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

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