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9-sinf Fizika 2-chorak

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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) = 1 / T

B) ν (nyu) = N / Na

C) ν (nyu) = Nm / M

D) ν (nyu) = m / M

2 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) -423 K

D) 123 K

3 / 25

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

A) shudring tempraturasi

B) bug’lanish tempraturasi

C) absolyut tempraturasi

D) qaynash tempraturasi

4 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) PV = mRT/M

C) Pr = mRT/v

D) PV = RT/M

5 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

6 / 25

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

A) D = V / S

B) D = C / π

C) D = m / V

D) D = 2 – R

7 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) ΔU=-A

D) Q= ΔU+A

8 / 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

9 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=cm Δt

B) Q=A+ΔU

C) Q= l m

D) Q=L m

10 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 373 gradus S

C) -173 gradus S

D) 100 gradus S

11 / 25

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

A) izobarik

B) izoxorik

C) adibatik

D) izotermik

12 / 25

Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating

A) K=1,38 J/K

B) P=3,14

C) R=8,31 J/mol K

D) R=8,31*10³ J/mol K

13 / 25

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

A) Broun xarakati

B) Erish

C) Diffuziya

D) Broun xarakati

14 / 25

Diffuziya tezligi nimaga bog’liq

A) Modda tempraturasiga

B) modda zichligiga

C) tashqi bosimga

D) modda miqdoriga

15 / 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

16 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Diffuziya

C) Molekulalarning atomlardan tashkil topishi

D) Molekulalar orasidagi tortitish kuchi

17 / 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

18 / 25

Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi

A) 5marta kamayadi

B) 4marta ortadi

C) O’zgarmaydi

D) 2marta kamayadi

19 / 25

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

A) 190°C

B) 203°C

C) 293°C

D) 260°C

20 / 25

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

A) D = 2 – R

B) D = V / S

C) D = m / V

D) D = C / π

21 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) psixrometr

B) termometr

C) Barometr

D) gigrometr

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁/T₁= P₂/T₂

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁V₁=P₂V₂

23 / 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) Gey – Lyussak

D) Boyl-Mariott

24 / 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

25 / 25

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

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

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

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