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9-sinf Fizika 4-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 4-chorak

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1 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) ΔU=-A

C) Q= ΔU

D) Q=A

2 / 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) Boyl-Mariott

D) Avogadro

3 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) -123 K

C) 423 K

D) 123 K

4 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q=A

C) Q= ΔU+A

D) Q= ΔU

5 / 25

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

A) bug’lanish tempraturasi

B) qaynash tempraturasi

C) absolyut tempraturasi

D) shudring tempraturasi

6 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qotish temperaturasi

C) Suvning qaynash temperaturasi

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

7 / 25

Rentgen turibkasining rentgen spektridangi eng "Qattiq" nurlarining chastotasi 10¹⁹ gers bo'lsa bu turibka qanday kuchlanish ostida ishlayotgan bo'ladi. h=6.62*10^-34 Js e=1.6*10^-19 c

A) 100 kV

B) 140 kV

C) 40 kV

D) 200 kV

8 / 25

Lazerlarda qanday nurlanish turi qo’llaniladi

A) Rentgen nurlari

B) Issiqlikdan nurlanish

C) Tormozli nurlanish

D) Majburiy nurlanish

9 / 25

Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari

A) 3,1,2,4,6,5

B) 6,5,4,3,2,1

C) 1,3,4,6,5,2

D) 1,2,3,4,5,6

10 / 25

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

A) D = C / π

B) D = m / V

C) D = V / S

D) D = 2 – R

11 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) harakat

C) mashina

D) bo‘lak, parcha

12 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) psixrometr

C) Barometr

D) termometr

13 / 25

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

A) 2 marta kamayadi

B) 2 marta ortadi

C) 4 marta kamayadi

D) 4 marta ortadi

14 / 25

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

A) moda miqdori

B) nisbiy molekulalar massa

C) modda

D) molar massasi

15 / 25

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

A) O’zgarmaydi

B) 4marta ortadi

C) 2marta kamayadi

D) 5marta kamayadi

16 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Broun harakati

C) Molekulalar orasidagi tortitish kuchi

D) Molekulalarning atomlardan tashkil topishi

17 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

18 / 25

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

A) Yo’q

B) Ha

C) Suv qatlamining qalinligiga bog’liq

D) Nurning tushish burchagiga bog’liq

19 / 25

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

A) 150000

B) 300000

C) 200000

D) 225000

20 / 25

1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi?

A) Linzaning absolyut nur sindirish ko’rsatkichi

B) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi

C) Sfera radiuslari nisbati

D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

21 / 25

Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr)

A) Lyambda 0,4 - 0,75

B) Lyambda > 0,75

C) Lyambda < 0,4

D) Lyambda 0-10

22 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 3 000

B) 300 000 000

C) 30 000

D) 200 000 000

23 / 25

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

A) 15 sm

B) 20 sm

C) 10 sm

D) 25 sm

24 / 25

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

A) Suv qatlamining qalinligiga bog’liq

B) Yo’q

C) Nurning tushish burchagiga bog’liq

D) Ha

25 / 25

Bu nuqsonda ko’z gavhari tasvirni to’r pardada emas, balki uning old qismida hosil qiladi. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi?

A) Ranglarni ajratmaslik, botiq

B) Yaqindan ko’rarlik, botiq

C) Uzoqdan ko’rarlik, qavariq

D) Daltonizm, qavariq

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9-sinf Fizika 4-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 3-chorak

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