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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) Pr = mRT/v

B) PV = mRT/M

C) PV = RT/M

D) Pm = vRT/M

2 / 25

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

A) Sharl

B) Avogadro

C) Gey – Lyussak

D) Boyl-Mariott

3 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU

C) Q= ΔU+A

D) Q=A

4 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 10⁵

D) 5 * 10²⁵

5 / 25

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

A) izotermik

B) izoxorik

C) izobarik

D) adibatik

6 / 25

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

A) D = C / π

B) D = 2 – R

C) D = m / V

D) D = V / S

7 / 25

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

A) izobarik

B) izaxorik

C) izotermik

D) adibatik

8 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ(sigma) = Q/L

C) δ(sigma) = F/S

D) δ (sigma) = F/l

9 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 3 000

B) 200 000 000

C) 30 000

D) 300 000 000

10 / 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) Fotoapparat

B) Mikroskop

C) Epidiaskop

D) Proyeksion apparat

11 / 25

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

A) 0,1

B) 1

C) 8,3

D) 10

12 / 25

Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating

A) υ = at

B) υ = S / t

C) c = λ / T

D) υ = λ / ν

13 / 25

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

A) Kattalashgan, teskari, mavhum

B) Kattalashgan, to’g’ri, mavhum

C) Kichiklashgan, to’g’ri, mavhum

D) Kichiklashgan, teskari, haqiqiy

14 / 25

Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F

A) Fotoapparat va ko’z

B) Lupa

C) Fotoapparat

D) Proyeksion apparat

15 / 25

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

A) 20 sm

B) 25 sm

C) 10 sm

D) 15 sm

16 / 25

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

A) 225000

B) 300000

C) 200000

D) 150000

17 / 25

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

A) nisbiy molekulalar massa

B) molar massasi

C) moda miqdori

D) modda

18 / 25

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

A) D = 2 – R

B) D = V / S

C) D = m / V

D) D = C / π

19 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pT=const

C) p/T=const

D) pV=const

20 / 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*10³⁴ 1/ mol

D) Avogadro 6*10²³ 1/ mol

21 / 25

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

A) Sharl’

B) Avogadro

C) Gey – Lyussak

D) Boyl-Mariott

22 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) L.Bolsman

B) Avogadro

C) O.Shtern

D) J.Maksvel

23 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁V₁=P₂V₂

B) PV = mRT/M

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁/T₁= P₂/T₂

24 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi

B) Cheksiz yoyiladi

C) Cheksiz yoyilmaydi

D) Moy qatlamining qalinligiga bog'liq

25 / 25

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

A) R=8,31 J/mol K

B) R=8,31*10³ J/mol K

C) K=1,38 J/K

D) P=3,14

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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

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9-sinf Fizika 4-chorak

9-sinf Fizika 2-chorak

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8-sinf Fizika 4-chorak

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