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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

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

A) molar massasi

B) modda

C) nisbiy molekulalar massa

D) moda miqdori

2 / 25

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

A) 190°C

B) 203°C

C) 260°C

D) 293°C

3 / 25

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

A) 2 marta kamayadi

B) 4 marta kamayadi

C) 4 marta ortadi

D) 2 marta ortadi

4 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) psixrometr

C) termometr

D) Barometr

5 / 25

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

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

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

C) 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

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

6 / 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) 4marta ortadi

D) 2marta kamayadi

7 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) bo‘lak, parcha

C) mashina

D) kuch

8 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=T/=const

C) p=2/3 nEk

D) pV=m/MRT

9 / 25

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

A) Avogadro

B) Boyl-Mariott

C) Gey – Lyussak

D) Sharl’

10 / 25

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

A) P=3,14

B) R=8,31*10³ J/mol K

C) R=8,31 J/mol K

D) K=1,38 J/K

11 / 25

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

A) Erish

B) Broun xarakati

C) Broun xarakati

D) Diffuziya

12 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 10⁵

C) 3,3 * 10²⁸

D) 5 * 10²⁵

13 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

14 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qotish temperaturasi

B) Suvning qaynash temperaturasi

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

D) Suvning kritik temperaturasi

15 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = P₁ V₁ T ₂ / T₁ P₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

16 / 25

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

A) D = 2 – R

B) D = C / π

C) D = m / V

D) D = V / S

17 / 25

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

A) 56 * 10¯²³ g

B) 4,6 * 10¯⁴² g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯²³ g

18 / 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

19 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=A+ΔU

B) Q= l m

C) Q=cm Δt

D) Q=L m

20 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q=A

D) Q= ΔU

21 / 25

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

A) issiqlik muvozanati

B) tempratura muvozanati

C) gaz xolat tenglamasi

D) issiqlik balansi

22 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ (sigma) = F/l

C) δ(sigma) = F/S

D) δ(sigma) = Q/L

23 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 5 * 10²⁵

D) 10⁵

24 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -123 K

C) 123 K

D) -423 K

25 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

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9-sinf Fizika 2-chorak

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56%-70% 3 baho

55% va kamiga 2 baho

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