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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

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) - 373 gradus S

D) -173 gradus S

2 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

3 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = N / Na

C) ν (nyu) = 1 / T

D) ν (nyu) = m / M

4 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q=A

C) ΔU=-A

D) Q= ΔU

5 / 25

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

A) D = C / π

B) D = V / S

C) D = 2 – R

D) D = m / V

6 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) ΔU=-A

D) Q= ΔU+A

7 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) PV = RT/M

C) Pr = mRT/v

D) Pm = vRT/M

8 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 3,3 * 10²⁸

C) 6 * 10²³

D) 10⁵

9 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q= l m

C) Q=cm Δt

D) Q=A+ΔU

10 / 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) 56 * 10¯²³ g

D) 4,6 * 10¯²⁴ g

11 / 25

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

A) bug’lanish tempraturasi

B) absolyut tempraturasi

C) shudring tempraturasi

D) qaynash tempraturasi

12 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) gigrometr

C) Barometr

D) psixrometr

13 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) to’yingan bug’

C) tempratura

D) ideal gaz

14 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Molekulalarning atomlardan tashkil topishi

B) Broun harakati

C) Diffuziya

D) Molekulalar orasidagi tortitish kuchi

15 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) pV=RT

B) pV=m/MRT

C) p=2/3 nEk

D) pV=T/=const

16 / 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) modda

D) nisbiy molekulalar massa

17 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Qaynash

C) Diffuziya

D) Bug'lanish va Qaynash

18 / 25

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

A) 4 marta ortadi

B) 4 marta kamayadi

C) 2 marta ortadi

D) 2 marta kamayadi

19 / 25

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

A) Gey – Lyussak

B) Boyl-Mariott

C) Avogadro

D) Sharl’

20 / 25

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

A) 2marta kamayadi

B) 5marta kamayadi

C) 4marta ortadi

D) O’zgarmaydi

21 / 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

22 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qaynash temperaturasi

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

23 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) p/T=const

C) pV=const

D) pT=const

24 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Moy qatlamining qalinligiga bog'liq

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

D) Cheksiz yoyilmaydi

25 / 25

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

A) R=8,31*10³ J/mol K

B) P=3,14

C) K=1,38 J/K

D) R=8,31 J/mol K

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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

9-sinf Fizika 1-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

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9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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