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9-sinf Fizika 2-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 2-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Diffuziya

C) Bug'lanish

D) Qaynash

2 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 10⁵

3 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) PV = mRT/M

D) P₁V₁=P₂V₂

4 / 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

5 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) Avogadro

D) J.Maksvel

6 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) termometr

C) psixrometr

D) Barometr

7 / 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

8 / 25

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

A) 190°C

B) 293°C

C) 260°C

D) 203°C

9 / 25

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

A) Boyl-Mariott

B) Avogadro

C) Gey – Lyussak

D) Sharl’

10 / 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

11 / 25

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

A) 2 marta ortadi

B) 4 marta ortadi

C) 4 marta kamayadi

D) 2 marta kamayadi

12 / 25

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

A) Avogadro

B) Sharl

C) Boyl-Mariott

D) Gey – Lyussak

13 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) ΔU=-A

C) Q= ΔU+A

D) Q= ΔU

14 / 25

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

A) V₂ = R₁ P₂ V₁/ T₁ T₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

15 / 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

16 / 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¯²⁴ g

D) 4,6 * 10¯²³ g

17 / 25

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

A) D = m / V

B) D = C / π

C) D = 2 – R

D) D = V / S

18 / 25

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

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) absolyut tempraturasi

D) shudring tempraturasi

19 / 25

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

A) adibatik

B) izotermik

C) izoxorik

D) izobarik

20 / 25

1 m³ suvda necha molekula bor?

A) 10⁵

B) 3,3 * 10²⁸

C) 5 * 10²⁵

D) 6 * 10²³

21 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) Pm = vRT/M

C) PV = RT/M

D) PV = mRT/M

22 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = Q/L

C) δ(sigma) =Q/m

D) δ(sigma) = F/S

23 / 25

m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli

A) izaxorik

B) adibatik

C) izobarik

D) izotermik

24 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qotish temperaturasi

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

D) Suvning qaynash temperaturasi

25 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -423 K

C) 123 K

D) -123 K

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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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