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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

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) 40 kV

B) 140 kV

C) 100 kV

D) 200 kV

2 / 25

Lazer nurining tarqalish burchagi qancha?

A) 1 radian

B) 10 -2 radian

C) 10 -5 radian

D) 10 -10 radian

3 / 25

Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich

A) Quyosh batareyasi

B) Diod

C) Triod

D) Tranzistor

4 / 25

Qaysi nurlarning zarracha hususiyati ko’proq

A) Ultirabinafsha

B) γ-nurlar

C) Rentgen

D) ko’zga ko’rinadigan

5 / 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) 1,2,3

C) 4

D) 2,3,4

6 / 25

Fotoeffekt uchun Eneshteyin formulasini ko’rsating

A) E=h v (v-nyu)

B) hv=A+mv²/2

C) E = hc/λ

D) E>A

7 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 300 000 000

B) 200 000 000

C) 30 000

D) 3 000

8 / 25

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

A) υ = S / t

B) c = λ / T

C) υ = λ / ν

D) υ = at

9 / 25

Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi?

A) Yaqindan ko’rarlik, botiq

B) Daltonizm, qavariq

C) Ranglarni ajratmaslik, botiq

D) Uzoqdan ko’rarlik, qavariq

10 / 25

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

A) Interferensiya

B) Difraksiya

C) Sinish

D) Dispersiya

11 / 25

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

A) 1

B) 8,3

C) 10

D) 0,1

12 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) -173 gradus S

C) - 373 gradus S

D) 100 gradus S

13 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU+A

B) Q= ΔU

C) Q=A

D) ΔU=-A

14 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10²⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

15 / 25

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

A) ν (nyu) = m / M

B) ν (nyu) = Nm / M

C) ν (nyu) = 1 / T

D) ν (nyu) = N / Na

16 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=A+ΔU

B) Q=L m

C) Q= l m

D) Q=cm Δt

17 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ (sigma) = F/l

B) δ(sigma) = Q/L

C) δ(sigma) = F/S

D) δ(sigma) =Q/m

18 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) PV = RT/M

C) Pr = mRT/v

D) PV = mRT/M

19 / 25

Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi

A) qaynash tempraturasi

B) shudring tempraturasi

C) bug’lanish tempraturasi

D) absolyut tempraturasi

20 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) to’yingan bug’

B) tempratura

C) issiqlik muvozanati

D) ideal gaz

21 / 25

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

A) gaz xolat tenglamasi

B) issiqlik muvozanati

C) issiqlik balansi

D) tempratura muvozanati

22 / 25

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

A) D = m / V

B) D = 2 – R

C) D = C / π

D) D = V / S

23 / 25

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

A) Gey – Lyussak

B) Avogadro

C) Boyl-Mariott

D) Sharl’

24 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) pV=const

C) pT=const

D) v=m/M

25 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyilmaydi

B) Moy qatlamining qalinligiga bog'liq

C) Cheksiz yoyiladi

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

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56%-70% 3 baho

55% va kamiga 2 baho

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