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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

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) Q= ΔU+A

D) ΔU=-A

2 / 25

Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ?

A) T = - t - 273

B) T = t + 273

C) T = t- 273

D) T = 273 - t

3 / 25

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

A) Shtern

B) Avogadro

C) Broun

D) Maksvell

4 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = F/S

B) δ(sigma) = Q/L

C) δ(sigma) =Q/m

D) δ (sigma) = F/l

5 / 25

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

A) 4 marta ortadi

B) 2 marta kamayadi

C) 2 marta ortadi

D) 4 marta kamayadi

6 / 25

1 m³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 10⁵

D) 3,3 * 10²⁸

7 / 25

Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng

A) 4,6 * 10¯⁴² g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²⁴ g

D) 4,6 * 10¯²³ g

8 / 25

P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = P₁ V₁ T ₂ / T₁ P₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

9 / 25

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

A) 10

B) 1

C) 0,1

D) 8,3

10 / 25

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

A) Suv qatlamining qalinligiga bog’liq

B) Yo’q

C) Ha

D) Nurning tushish burchagiga bog’liq

11 / 25

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

A) Proyeksion apparat

B) Fotoapparat va ko’z

C) Lupa

D) Fotoapparat

12 / 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) Ko’zning eng yaxshi ko’rish masofasini

B) Linzaning optik kuchini

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

D) Linzaning fokus masofasini

13 / 25

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

A) 20 sm

B) 15 sm

C) 25 sm

D) 10 sm

14 / 25

Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi?

A) Sinish

B) Difraksiya

C) Interferensiya

D) Dispersiya

15 / 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) Epidiaskop

B) Fotoapparat

C) Proyeksion apparat

D) Mikroskop

16 / 25

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

A) Sfera radiuslari nisbati

B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

C) Linzaning absolyut nur sindirish ko’rsatkichi

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

17 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 200 000 000

B) 30 000

C) 3 000

D) 300 000 000

18 / 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) Ko’rish masofasini o’zgartirish

B) moslashish

C) Akkomodatsiya

D) Adaptatsiya

19 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) P₁V₁=P₂V₂

C) P₂V₁/T₁= P₂V₂/T₂

D) PV = mRT/M

20 / 25

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

A) D = V / S

B) D = m / V

C) D = 2 – R

D) D = C / π

21 / 25

Dinamika so‘zining ma’nosi nima

A) bo‘lak, parcha

B) harakat

C) kuch

D) mashina

22 / 25

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

A) molar massasi

B) moda miqdori

C) modda

D) nisbiy molekulalar massa

23 / 25

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

A) Broun xarakati

B) Erish

C) Broun xarakati

D) Diffuziya

24 / 25

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

A) R=8,31 J/mol K

B) P=3,14

C) R=8,31*10³ J/mol K

D) K=1,38 J/K

25 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish va Qaynash

B) Bug'lanish

C) Qaynash

D) Diffuziya

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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

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