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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

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Moy qatlamining qalinligiga bog'liq

C) Cheksiz yoyilmaydi

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

2 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) issiqlik muvozanati

C) ideal gaz

D) to’yingan bug’

3 / 25

Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi

A) molar massasi

B) moda miqdori

C) nisbiy molekulalar massa

D) modda

4 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₂V₁/T₁= P₂V₂/T₂

C) P₁V₁=P₂V₂

D) P₁/T₁= P₂/T₂

5 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) psixrometr

C) termometr

D) gigrometr

6 / 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

7 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) p/T=const

C) pT=const

D) pV=const

8 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) mashina

C) bo‘lak, parcha

D) harakat

9 / 25

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

A) 293°C

B) 203°C

C) 190°C

D) 260°C

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) 2marta kamayadi

C) 4marta ortadi

D) 5marta kamayadi

11 / 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

12 / 25

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

A) D = C / π

B) D = m / V

C) D = 2 – R

D) D = V / S

13 / 25

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

A) tempratura muvozanati

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) issiqlik balansi

14 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=m/MRT

B) p=2/3 nEk

C) pV=T/=const

D) pV=RT

15 / 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 ortadi

D) 4 marta kamayadi

16 / 25

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

A) D = 2 – R

B) D = C / π

C) D = m / V

D) D = V / S

17 / 25

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

A) V₂ = T₁ T₂ V₁ / P₁ P₂

B) V₂ = T₁ P₂ / P₁ V₁ T₂

C) V₂ = R₁ P₂ V₁/ T₁ T₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

18 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

19 / 25

100 K Selsiy shkalasida nimaga teng

A) 100 gradus S

B) -173 gradus S

C) 373 gradus S

D) - 373 gradus S

20 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) PV = RT/M

C) PV = mRT/M

D) Pr = mRT/v

21 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) ΔU=-A

D) Q=A

22 / 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¯⁴² g

D) 4,6 * 10¯²⁴ g

23 / 25

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

A) adibatik

B) izobarik

C) izotermik

D) izoxorik

24 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) Q= ΔU

D) ΔU=-A

25 / 25

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

A) absolyut tempraturasi

B) bug’lanish tempraturasi

C) qaynash tempraturasi

D) shudring tempraturasi

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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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