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9-sinf Fizika 4-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 4-chorak

Testni Vafaqulov Alisher tayyorladi.

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1 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 300 000 000

B) 30 000

C) 3 000

D) 200 000 000

2 / 25

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

A) Kichiklashgan, teskari, haqiqiy

B) Kattalashgan, to’g’ri, mavhum

C) Kichiklashgan, to’g’ri, mavhum

D) Kattalashgan, teskari, mavhum

3 / 25

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

A) 15 sm

B) 25 sm

C) 20 sm

D) 10 sm

4 / 25

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

A) 10

B) 8,3

C) 0,1

D) 1

5 / 25

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

A) Linzaning absolyut nur sindirish ko’rsatkichi

B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

C) Sfera radiuslari nisbati

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

6 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

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

C) Moy qatlamining qalinligiga bog'liq

D) Cheksiz yoyilmaydi

7 / 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

8 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 6 * 10²³

D) 10⁵

9 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalar orasidagi tortitish kuchi

C) Diffuziya

D) Molekulalarning atomlardan tashkil topishi

10 / 25

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

A) molar massasi

B) modda

C) moda miqdori

D) nisbiy molekulalar massa

11 / 25

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

A) D = 2 – R

B) D = C / π

C) D = m / V

D) D = V / S

12 / 25

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

A) Avogadro

B) Broun

C) Maksvell

D) Shtern

13 / 25

Aytilganlardan fotoeffekt hodisasiga asoslangan asboblarni ajrating. 1-fotodiod, 2- quyosh batareyalari, 3-foto tranzistor, 4- optron, 5- rezistor, 6-termobatareya

A) 1,2,3,4

B) 1,6

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

D) 4,5,6

14 / 25

Qaysi nurlarning zarracha hususiyati kamroq

A) Ultirabinafsha

B) Ko’zga ko'rinadigan

C) γ-nurlar

D) Rentgen

15 / 25

Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad

A) Kvantning to’lqin uzunligi

B) Fotoemissiya to’lqin uzunligi

C) Fotoeffektning qizil chegarasi

D) Nurlanish to’lqin uzunligi

16 / 25

Lazerlarda qanday nurlanish turi qo’llaniladi

A) Majburiy nurlanish

B) Rentgen nurlari

C) Tormozli nurlanish

D) Issiqlikdan nurlanish

17 / 25

Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda)

A) L=c/v

B) E=hv

C) E=hc/λ

D) λ=A/h

18 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = F/S

B) δ(sigma) = Q/L

C) δ (sigma) = F/l

D) δ(sigma) =Q/m

19 / 25

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

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯²³ g

C) 4,6 * 10¯⁴² g

D) 56 * 10¯²³ g

20 / 25

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

A) T = - t - 273

B) T = t- 273

C) T = 273 - t

D) T = t + 273

21 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) 423 K

C) 123 K

D) -423 K

22 / 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

23 / 25

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

A) V₂ = T₁ P₂ / P₁ V₁ T₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = P₁ V₁ T ₂ / T₁ P₂

24 / 25

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

A) D = 2 – R

B) D = C / π

C) D = m / V

D) D = V / S

25 / 25

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

A) 2 marta ortadi

B) 4 marta ortadi

C) 2 marta kamayadi

D) 4 marta kamayadi

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

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

5-sinf Ingliz tili 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 2-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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