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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

1 m³ suvda necha molekula bor?

A) 10⁵

B) 5 * 10²⁵

C) 6 * 10²³

D) 3,3 * 10²⁸

2 / 25

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

A) D = m / V

B) D = 2 – R

C) D = C / π

D) D = V / S

3 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) Q= ΔU+A

D) ΔU=-A

4 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) Q=A

D) ΔU=-A

5 / 25

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

A) issiqlik muvozanati

B) issiqlik balansi

C) tempratura muvozanati

D) gaz xolat tenglamasi

6 / 25

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

A) adibatik

B) izoxorik

C) izotermik

D) izobarik

7 / 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 = R₁ P₂ V₁/ T₁ T₂

D) V₂ = T₁ T₂ V₁ / P₁ P₂

8 / 25

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

A) T = t + 273

B) T = - t - 273

C) T = t- 273

D) T = 273 - t

9 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ (sigma) = F/l

C) δ(sigma) =Q/m

D) δ(sigma) = F/S

10 / 25

Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating

A) ν (nyu) = m / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = Nm / M

11 / 25

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

A) Sharl

B) Avogadro

C) Gey – Lyussak

D) Boyl-Mariott

12 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=A+ΔU

C) Q=L m

D) Q=cm Δt

13 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₁V₁=P₂V₂

C) P₂V₁/T₁= P₂V₂/T₂

D) PV = mRT/M

14 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) gigrometr

C) psixrometr

D) Barometr

15 / 25

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

A) 190°C

B) 260°C

C) 293°C

D) 203°C

16 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) p=2/3 nEk

C) pV=T/=const

D) pV=m/MRT

17 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 10⁵

C) 6 * 10²³

D) 3,3 * 10²⁸

18 / 25

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

A) D = C / π

B) D = m / V

C) D = V / S

D) D = 2 – R

19 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

20 / 25

Diffuziya tezligi nimaga bog’liq

A) modda miqdoriga

B) Modda tempraturasiga

C) tashqi bosimga

D) modda zichligiga

21 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyilmaydi

B) Cheksiz yoyiladi

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

D) Moy qatlamining qalinligiga bog'liq

22 / 25

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

A) issiqlik balansi

B) issiqlik muvozanati

C) tempratura muvozanati

D) gaz xolat tenglamasi

23 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Qaynash

C) Diffuziya

D) Bug'lanish

24 / 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) 2marta kamayadi

C) 4marta ortadi

D) 5marta kamayadi

25 / 25

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

A) Boyl-Mariott

B) Gey – Lyussak

C) Sharl’

D) Avogadro

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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

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