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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

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 10⁵

D) 6 * 10²³

2 / 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) 5marta kamayadi

D) 2marta kamayadi

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalarning atomlardan tashkil topishi

C) Diffuziya

D) Molekulalar orasidagi tortitish kuchi

4 / 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) Boyl-Mariott

D) Gey – Lyussak

5 / 25

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

A) Diffuziya

B) Broun xarakati

C) Erish

D) Broun xarakati

6 / 25

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

A) D = C / π

B) D = 2 – R

C) D = m / V

D) D = V / S

7 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Moy qatlamining qalinligiga bog'liq

B) Cheksiz yoyiladi

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

D) Cheksiz yoyilmaydi

8 / 25

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

A) Avogadro

B) Broun

C) Maksvell

D) Shtern

9 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) tempratura muvozanati

D) issiqlik balansi

10 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Diffuziya

C) Bug'lanish va Qaynash

D) Qaynash

11 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) Avogadro

B) J.Maksvel

C) L.Bolsman

D) O.Shtern

12 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning kritik temperaturasi

C) Suvning qotish temperaturasi

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

13 / 25

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

A) Broun

B) Shtern

C) Avogadro

D) Maksvell

14 / 25

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

A) qaynash tempraturasi

B) shudring tempraturasi

C) bug’lanish tempraturasi

D) absolyut tempraturasi

15 / 25

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

A) 4 marta kamayadi

B) 2 marta ortadi

C) 2 marta kamayadi

D) 4 marta ortadi

16 / 25

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

A) D = V / S

B) D = 2 – R

C) D = C / π

D) D = m / V

17 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = 1 / T

C) ν (nyu) = m / M

D) ν (nyu) = N / Na

18 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) 123 K

C) 423 K

D) -123 K

19 / 25

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

A) izoxorik

B) adibatik

C) izotermik

D) izobarik

20 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ (sigma) = F/l

C) δ(sigma) = Q/L

D) δ(sigma) = F/S

21 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 10⁵

D) 3,3 * 10²⁸

22 / 25

100 K Selsiy shkalasida nimaga teng

A) -173 gradus S

B) - 373 gradus S

C) 373 gradus S

D) 100 gradus S

23 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU

C) Q=A

D) Q= ΔU+A

24 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

25 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) ΔU=-A

D) Q= ΔU+A

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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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

9-sinf Fizika 1-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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