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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

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

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

A) Avogadro

B) Boyl-Mariott

C) Sharl’

D) Gey – Lyussak

3 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) J.Maksvel

C) O.Shtern

D) Avogadro

4 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁V₁=P₂V₂

B) P₁/T₁= P₂/T₂

C) P₂V₁/T₁= P₂V₂/T₂

D) PV = mRT/M

5 / 25

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

A) 4 marta ortadi

B) 2 marta ortadi

C) 2 marta kamayadi

D) 4 marta kamayadi

6 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) pV=const

C) pT=const

D) v=m/M

7 / 25

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

A) tempratura muvozanati

B) issiqlik muvozanati

C) issiqlik balansi

D) gaz xolat tenglamasi

8 / 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

9 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qaynash temperaturasi

10 / 25

Dinamika so‘zining ma’nosi nima

A) harakat

B) mashina

C) bo‘lak, parcha

D) kuch

11 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²³ 1/ mol

12 / 25

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

A) D = m / V

B) D = V / S

C) D = 2 – R

D) D = C / π

13 / 25

1 m ³ suvda necha molekula bor?

A) 10⁵

B) 6 * 10²³

C) 3,3 * 10²⁸

D) 5 * 10²⁵

14 / 25

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

A) 293°C

B) 260°C

C) 203°C

D) 190°C

15 / 25

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

A) Maksvell

B) Shtern

C) Avogadro

D) Broun

16 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) tempratura

B) ideal gaz

C) issiqlik muvozanati

D) to’yingan bug’

17 / 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) Sharl

D) Avogadro

18 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) issiqlik balansi

D) tempratura muvozanati

19 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) 123 K

C) -123 K

D) 423 K

20 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) Q=A

D) ΔU=-A

21 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 6 * 10²³

C) 10⁵

D) 3,3 * 10²⁸

22 / 25

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

A) Maksvell

B) Avogadro

C) Shtern

D) Broun

23 / 25

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

A) ν (nyu) = 1 / T

B) ν (nyu) = Nm / M

C) ν (nyu) = N / Na

D) ν (nyu) = m / M

24 / 25

m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli

A) izaxorik

B) adibatik

C) izotermik

D) izobarik

25 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU+A

C) Q= ΔU

D) ΔU=-A

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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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