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9-sinf Fizika 3-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 3-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi?

A) Yo’q

B) Nurning tushish burchagiga bog’liq

C) Ha

D) Suv qatlamining qalinligiga bog’liq

2 / 25

Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi?

A) Lupa

B) Fotoapparat va ko’z

C) Fotoapparat

D) Proyeksion apparat

3 / 25

Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim?

A) 25

B) 12,5

C) 6,25

D) 50

4 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 3 000

B) 30 000

C) 200 000 000

D) 300 000 000

5 / 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) 300000

D) 200000

6 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) -173 gradus S

C) 373 gradus S

D) 100 gradus S

7 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) PV = mRT/M

B) PV = RT/M

C) Pm = vRT/M

D) Pr = mRT/v

8 / 25

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

A) qaynash tempraturasi

B) shudring tempraturasi

C) absolyut tempraturasi

D) bug’lanish tempraturasi

9 / 25

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

A) adibatik

B) izoxorik

C) izotermik

D) izobarik

10 / 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

11 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q= ΔU

C) Q=A

D) ΔU=-A

12 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

13 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 6 * 10²³

C) 3,3 * 10²⁸

D) 10⁵

14 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -123 K

C) -423 K

D) 123 K

15 / 25

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

A) moda miqdori

B) modda

C) molar massasi

D) nisbiy molekulalar massa

16 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) O.Shtern

B) L.Bolsman

C) Avogadro

D) J.Maksvel

17 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) Barometr

B) gigrometr

C) termometr

D) psixrometr

18 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) tempratura

C) issiqlik muvozanati

D) ideal gaz

19 / 25

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

A) issiqlik muvozanati

B) issiqlik balansi

C) tempratura muvozanati

D) gaz xolat tenglamasi

20 / 25

Diffuziya tezligi nimaga bog’liq

A) Modda tempraturasiga

B) modda zichligiga

C) tashqi bosimga

D) modda miqdoriga

21 / 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*10²⁴ 1/ mol

D) Avogadro 6*10³⁴ 1/ mol

22 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Qaynash

C) Bug'lanish va Qaynash

D) Diffuziya

23 / 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’

24 / 25

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

A) 293°C

B) 260°C

C) 190°C

D) 203°C

25 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

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

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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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9-sinf Fizika 4-chorak

9-sinf Fizika 4-chorak

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