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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) molar massasi

B) nisbiy molekulalar massa

C) modda

D) moda miqdori

2 / 25

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

A) Broun

B) Shtern

C) Avogadro

D) Maksvell

3 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) gigrometr

C) Barometr

D) psixrometr

4 / 25

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

A) K=1,38 J/K

B) R=8,31*10³ J/mol K

C) R=8,31 J/mol K

D) P=3,14

5 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) O.Shtern

C) L.Bolsman

D) Avogadro

6 / 25

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

A) Diffuziya

B) Erish

C) Broun xarakati

D) Broun xarakati

7 / 25

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

A) 2 marta kamayadi

B) 4 marta kamayadi

C) 2 marta ortadi

D) 4 marta ortadi

8 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Diffuziya

B) Bug'lanish va Qaynash

C) Qaynash

D) Bug'lanish

9 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) ideal gaz

C) tempratura

D) issiqlik muvozanati

10 / 25

Qaysi nurlarning zarracha hususiyati kamroq

A) γ-nurlar

B) Ko’zga ko'rinadigan

C) Rentgen

D) Ultirabinafsha

11 / 25

Qaysi nurlarning zarracha hususiyati ko’proq

A) Rentgen

B) ko’zga ko’rinadigan

C) γ-nurlar

D) Ultirabinafsha

12 / 25

Kavnt energiyasi formulasi ko’rsating. 1. E=h v 2. E=hc/λ, 3. E=A, 4-E>A (v-nyu) (λ - lyambda)

A) 1,2

B) 2,3,4

C) 4

D) 1,2,3

13 / 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) 200 kV

C) 40 kV

D) 100 kV

14 / 25

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

A) 200000

B) 150000

C) 300000

D) 225000

15 / 25

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

A) Yo’q

B) Nurning tushish burchagiga bog’liq

C) Suv qatlamining qalinligiga bog’liq

D) Ha

16 / 25

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

A) 15 sm

B) 10 sm

C) 20 sm

D) 25 sm

17 / 25

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

A) Kichiklashgan, to’g’ri, mavhum

B) Kattalashgan, to’g’ri, mavhum

C) Kichiklashgan, teskari, haqiqiy

D) Kattalashgan, teskari, mavhum

18 / 25

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

A) υ = S / t

B) υ = λ / ν

C) c = λ / T

D) υ = at

19 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) 123 K

C) -423 K

D) -123 K

20 / 25

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

A) gaz xolat tenglamasi

B) tempratura muvozanati

C) issiqlik muvozanati

D) issiqlik balansi

21 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) = F/S

B) δ(sigma) =Q/m

C) δ(sigma) = Q/L

D) δ (sigma) = F/l

22 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=A+ΔU

B) Q=cm Δt

C) Q= l m

D) Q=L m

23 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q=A

C) Q= ΔU+A

D) ΔU=-A

24 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

25 / 25

100 K Selsiy shkalasida nimaga teng

A) -173 gradus S

B) - 373 gradus S

C) 100 gradus S

D) 373 gradus S

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56%-70% 3 baho

55% va kamiga 2 baho

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