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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

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

A) ν (nyu) = Nm / M

B) ν (nyu) = m / M

C) ν (nyu) = 1 / T

D) ν (nyu) = N / Na

2 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) Q= ΔU+A

D) ΔU=-A

3 / 25

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

A) izotermik

B) adibatik

C) izobarik

D) izoxorik

4 / 25

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

A) Sharl

B) Boyl-Mariott

C) Gey – Lyussak

D) Avogadro

5 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10³⁴ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

6 / 25

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

A) izobarik

B) izaxorik

C) izotermik

D) adibatik

7 / 25

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

A) Avogadro

B) Shtern

C) Maksvell

D) Broun

8 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU+A

C) Q=A

D) Q= ΔU

9 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) Pm = vRT/M

C) PV = RT/M

D) PV = mRT/M

10 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 5 * 10²⁵

D) 6 * 10²³

11 / 25

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

A) 56 * 10¯²³ g

B) 4,6 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯⁴² g

12 / 25

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

A) 2 marta kamayadi

B) 2 marta ortadi

C) 4 marta kamayadi

D) 4 marta ortadi

13 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ(sigma) =Q/m

C) δ(sigma) = F/S

D) δ (sigma) = F/l

14 / 25

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

A) D = C / π

B) D = 2 – R

C) D = V / S

D) D = m / V

15 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 5 * 10²⁵

D) 10⁵

16 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Bug'lanish va Qaynash

C) Diffuziya

D) Bug'lanish

17 / 25

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

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

B) 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

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

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

18 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₂V₁/T₁= P₂V₂/T₂

C) P₁V₁=P₂V₂

D) PV = mRT/M

19 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Diffuziya

C) Molekulalarning atomlardan tashkil topishi

D) Molekulalar orasidagi tortitish kuchi

20 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

21 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Moy qatlamining qalinligiga bog'liq

B) Cheksiz yoyiladi

C) Cheksiz yoyilmaydi

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

22 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) gigrometr

C) Barometr

D) termometr

23 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) kuch

C) mashina

D) bo‘lak, parcha

24 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) pT=const

C) p/T=const

D) v=m/M

25 / 25

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

A) 2 marta kamayadi

B) 4 marta kamayadi

C) 2 marta ortadi

D) 4 marta ortadi

Baholash mezoni

86%-100% 5 baho

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

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