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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

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=RT

C) pV=T/=const

D) pV=m/MRT

2 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 6 * 10²³

C) 10⁵

D) 5 * 10²⁵

3 / 25

Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan?

A) J.Maksvel

B) L.Bolsman

C) Avogadro

D) O.Shtern

4 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) issiqlik muvozanati

C) tempratura

D) ideal gaz

5 / 25

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

A) R=8,31 J/mol K

B) P=3,14

C) K=1,38 J/K

D) R=8,31*10³ J/mol K

6 / 25

Diffuziya tezligi nimaga bog’liq

A) modda zichligiga

B) Modda tempraturasiga

C) tashqi bosimga

D) modda miqdoriga

7 / 25

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

A) Dispersiya

B) Sinish

C) Difraksiya

D) Interferensiya

8 / 25

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

A) υ = λ / ν

B) υ = at

C) υ = S / t

D) c = λ / T

9 / 25

Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim?

A) 25

B) 50

C) 6,25

D) 12,5

10 / 25

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

A) 0,1

B) 10

C) 8,3

D) 1

11 / 25

Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi?

A) Yo’q

B) Suv qatlamining qalinligiga bog’liq

C) Nurning tushish burchagiga bog’liq

D) Ha

12 / 25

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

A) Yo’q

B) Nurning tushish burchagiga bog’liq

C) Ha

D) Suv qatlamining qalinligiga bog’liq

13 / 25

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

A) 150000

B) 200000

C) 225000

D) 300000

14 / 25

Bu nuqsonda ko’z gavhari tasvirni to’r pardada emas, balki uning old qismida hosil qiladi. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi?

A) Ranglarni ajratmaslik, botiq

B) Daltonizm, qavariq

C) Yaqindan ko’rarlik, botiq

D) Uzoqdan ko’rarlik, qavariq

15 / 25

Qaysi nurlarning zarracha hususiyati kamroq

A) Ultirabinafsha

B) Rentgen

C) Ko’zga ko'rinadigan

D) γ-nurlar

16 / 25

Lazer nurining tarqalish burchagi qancha?

A) 10 -2 radian

B) 1 radian

C) 10 -5 radian

D) 10 -10 radian

17 / 25

Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi

A) Elektrlanish

B) fotoeffekt

C) Magnitlanish

D) termoyelektron emissiya

18 / 25

Qaysi nurlarning zarracha hususiyati ko’proq

A) γ-nurlar

B) Ultirabinafsha

C) Rentgen

D) ko’zga ko’rinadigan

19 / 25

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

A) E=hv

B) E=hc/λ

C) λ=A/h

D) L=c/v

20 / 25

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

A) Boyl-Mariott

B) Avogadro

C) Gey – Lyussak

D) Sharl

21 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=A+ΔU

C) Q=cm Δt

D) Q= l m

22 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) ΔU=-A

D) Q=A

23 / 25

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

A) D = 2 – R

B) D = C / π

C) D = V / S

D) D = m / V

24 / 25

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

A) T = t- 273

B) T = 273 - t

C) T = t + 273

D) T = - t - 273

25 / 25

Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating

A) ν (nyu) = N / Na

B) ν (nyu) = Nm / M

C) ν (nyu) = 1 / T

D) ν (nyu) = m / M

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9-sinf Fizika 4-chorak

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55% va kamiga 2 baho

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