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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

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

A) D = V / S

B) D = m / V

C) D = C / π

D) D = 2 – R

2 / 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 elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi

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

3 / 25

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

A) 260°C

B) 293°C

C) 190°C

D) 203°C

4 / 25

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

A) 2 marta kamayadi

B) 4 marta ortadi

C) 4 marta kamayadi

D) 2 marta ortadi

5 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) tashqi bosimga

C) modda miqdoriga

D) Modda tempraturasiga

6 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

7 / 25

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

A) Diffuziya

B) Erish

C) Broun xarakati

D) Broun xarakati

8 / 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) Sharl’

D) Gey – Lyussak

9 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalarning atomlardan tashkil topishi

B) Molekulalar orasidagi tortitish kuchi

C) Diffuziya

D) Broun harakati

10 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Qaynash

B) Bug'lanish va Qaynash

C) Diffuziya

D) Bug'lanish

11 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) Avogadro

C) L.Bolsman

D) O.Shtern

12 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

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

B) Cheksiz yoyiladi

C) Cheksiz yoyilmaydi

D) Moy qatlamining qalinligiga bog'liq

13 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) termometr

C) psixrometr

D) Barometr

14 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 10⁵

15 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 123 K

C) 423 K

D) -423 K

16 / 25

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

A) T = 273 - t

B) T = - t - 273

C) T = t- 273

D) T = t + 273

17 / 25

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

A) Avogadro 6*10²⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

18 / 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 = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = T₁ P₂ / P₁ V₁ T₂

19 / 25

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

A) shudring tempraturasi

B) qaynash tempraturasi

C) bug’lanish tempraturasi

D) absolyut tempraturasi

20 / 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

21 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) - 373 gradus S

C) -173 gradus S

D) 100 gradus S

22 / 25

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

A) Gey – Lyussak

B) Sharl

C) Boyl-Mariott

D) Avogadro

23 / 25

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

A) 4,6 * 10¯⁴² g

B) 4,6 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 56 * 10¯²³ g

24 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 10⁵

25 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = Q/L

B) δ (sigma) = F/l

C) δ(sigma) = F/S

D) δ(sigma) =Q/m

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