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9-sinf Fizika 3-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 3-chorak

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1 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = RT/M

B) Pm = vRT/M

C) PV = mRT/M

D) Pr = mRT/v

2 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 6 * 10²³

C) 10⁵

D) 3,3 * 10²⁸

3 / 25

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

A) izoxorik

B) adibatik

C) izobarik

D) izotermik

4 / 25

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

A) D = m / V

B) D = C / π

C) D = V / S

D) D = 2 – R

5 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -123 K

C) 123 K

D) -423 K

6 / 25

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

A) 2 marta ortadi

B) 4 marta kamayadi

C) 4 marta ortadi

D) 2 marta kamayadi

7 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q= l m

C) Q=cm Δt

D) Q=A+ΔU

8 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q= ΔU

D) Q=A

9 / 25

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

A) shudring tempraturasi

B) absolyut tempraturasi

C) bug’lanish tempraturasi

D) qaynash tempraturasi

10 / 25

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

A) P=3,14

B) K=1,38 J/K

C) R=8,31*10³ J/mol K

D) R=8,31 J/mol K

11 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalar orasidagi tortitish kuchi

C) Molekulalarning atomlardan tashkil topishi

D) Diffuziya

12 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 10⁵

D) 6 * 10²³

13 / 25

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

A) Sharl’

B) Gey – Lyussak

C) Avogadro

D) Boyl-Mariott

14 / 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

15 / 25

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

A) Diffuziya

B) Broun xarakati

C) Broun xarakati

D) Erish

16 / 25

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

A) Broun

B) Shtern

C) Maksvell

D) Avogadro

17 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) J.Maksvel

D) Avogadro

18 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) P₁/T₁= P₂/T₂

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁V₁=P₂V₂

19 / 25

Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi?

A) Nurning tushish burchagiga bog’liq

B) Yo’q

C) Suv qatlamining qalinligiga bog’liq

D) Ha

20 / 25

Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng.

A) 225000

B) 150000

C) 200000

D) 300000

21 / 25

Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng?

A) 8,3

B) 0,1

C) 10

D) 1

22 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 3 000

B) 300 000 000

C) 200 000 000

D) 30 000

23 / 25

Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi

A) Kichiklashgan, teskari, haqiqiy

B) Kattalashgan, to’g’ri, mavhum

C) Kattalashgan, teskari, mavhum

D) Kichiklashgan, to’g’ri, mavhum

24 / 25

D = 1 / L₀ - 1 / d₁ formula yordamida nima aniqlanadi? L₀- sog’ ko'zning yaxshi ko'rish masofasi, d₁- nuqsonli ko’zning yaxshi ko’rish masofasi

A) Linzaning optik kuchini

B) Nuqsonni ko’z uchun ko’zoynak optik kuchini

C) Linzaning fokus masofasini

D) Ko’zning eng yaxshi ko’rish masofasini

25 / 25

Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng?

A) 25 sm

B) 15 sm

C) 10 sm

D) 20 sm

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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9-sinf Fizika 3-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 2-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 4-chorak

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9-sinf Fizika 1-chorak

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