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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

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

A) Gey – Lyussak

B) Avogadro

C) Sharl’

D) Boyl-Mariott

2 / 25

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

A) modda

B) nisbiy molekulalar massa

C) moda miqdori

D) molar massasi

3 / 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

4 / 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) K=1,38 J/K

D) P=3,14

5 / 25

Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan

A) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi

B) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud

C) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi

D) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi

6 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalar orasidagi tortitish kuchi

B) Broun harakati

C) Diffuziya

D) Molekulalarning atomlardan tashkil topishi

7 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

8 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Bug'lanish va Qaynash

C) Qaynash

D) Diffuziya

9 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) gigrometr

C) Barometr

D) psixrometr

10 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) issiqlik muvozanati

C) ideal gaz

D) to’yingan bug’

11 / 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) 2marta kamayadi

C) 4marta ortadi

D) O’zgarmaydi

12 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q=A

D) Q= ΔU

13 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 123 K

B) 423 K

C) -123 K

D) -423 K

14 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) - 373 gradus S

C) 100 gradus S

D) -173 gradus S

15 / 25

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

A) Gey – Lyussak

B) Avogadro

C) Boyl-Mariott

D) Sharl

16 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = F/S

C) δ(sigma) = Q/L

D) δ(sigma) =Q/m

17 / 25

1 m³ suvda necha molekula bor?

A) 10⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 5 * 10²⁵

18 / 25

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

A) T = t- 273

B) T = 273 - t

C) T = t + 273

D) T = - t - 273

19 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q= l m

C) Q=cm Δt

D) Q=A+ΔU

20 / 25

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

21 / 25

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

A) izoxorik

B) izotermik

C) adibatik

D) izobarik

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) PV = mRT/M

C) Pr = mRT/v

D) Pm = vRT/M

23 / 25

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

A) D = m / V

B) D = C / π

C) D = V / S

D) D = 2 – R

24 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning qotish temperaturasi

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

D) Suvning kritik temperaturasi

25 / 25

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

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9-sinf Fizika 2-chorak

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86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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