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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

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

A) modda

B) molar massasi

C) nisbiy molekulalar massa

D) moda miqdori

2 / 25

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

A) issiqlik balansi

B) gaz xolat tenglamasi

C) issiqlik muvozanati

D) tempratura muvozanati

3 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=T/=const

C) pV=m/MRT

D) pV=RT

4 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁/T₁= P₂/T₂

C) P₁V₁=P₂V₂

D) PV = mRT/M

5 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) Avogadro

C) J.Maksvel

D) O.Shtern

6 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) harakat

C) kuch

D) bo‘lak, parcha

7 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) termometr

C) Barometr

D) psixrometr

8 / 25

Qaysi nurlarning zarracha hususiyati ko’proq

A) Ultirabinafsha

B) ko’zga ko’rinadigan

C) γ-nurlar

D) Rentgen

9 / 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) 140 kV

B) 40 kV

C) 200 kV

D) 100 kV

10 / 25

Lazer nurining tarqalish burchagi qancha?

A) 10 -10 radian

B) 10 -2 radian

C) 10 -5 radian

D) 1 radian

11 / 25

Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik?

A) 2

B) 4

C) 3

D) 1

12 / 25

4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng.

A) 4 dptr

B) 16 dptr

C) 10 dptr

D) 8 dptr

13 / 25

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

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

B) Sfera radiuslari nisbati

C) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

D) Linzaning absolyut nur sindirish ko’rsatkichi

14 / 25

Asosiy qismi ob’ektiv va kameradan iborat. Tasvir kameraning orqa tomonida to’nkarilgan, haqiqiy va kichraygan holda hosil bo’ladi. Nima haqida gap bormoqda?

A) Proyeksion apparat

B) Mikroskop

C) Fotoapparat

D) Epidiaskop

15 / 25

Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi?

A) Yaqindan ko’rarlik, botiq

B) Ranglarni ajratmaslik, botiq

C) Uzoqdan ko’rarlik, qavariq

D) Daltonizm, qavariq

16 / 25

Ko’zdan turli uzoqlikda joylashgan buyumlarni aniqroq ko’rish uchun mahsus muskullar ko’z gavharining egrilik radiusini bir oz o’zgartiradi. Bunga ... deyiladi?

A) moslashish

B) Akkomodatsiya

C) Ko’rish masofasini o’zgartirish

D) Adaptatsiya

17 / 25

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

A) 0,1

B) 8,3

C) 10

D) 1

18 / 25

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

A) izaxorik

B) izobarik

C) adibatik

D) izotermik

19 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 373 gradus S

C) -173 gradus S

D) 100 gradus S

20 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) ΔU=-A

D) Q= ΔU+A

21 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=cm Δt

B) Q= l m

C) Q=A+ΔU

D) Q=L m

22 / 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

23 / 25

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

A) 2 marta ortadi

B) 4 marta kamayadi

C) 2 marta kamayadi

D) 4 marta ortadi

24 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) 123 K

D) -423 K

25 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

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9-sinf Fizika 4-chorak

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86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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