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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

Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi

A) O’zgarmaydi

B) 5marta kamayadi

C) 4marta ortadi

D) 2marta kamayadi

2 / 25

Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan

A) Bug'lanish

B) Qaynash

C) Diffuziya

D) Bug'lanish va Qaynash

3 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) pV=const

B) p/T=const

C) pT=const

D) v=m/M

4 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₂V₁/T₁= P₂V₂/T₂

B) P₁V₁=P₂V₂

C) PV = mRT/M

D) P₁/T₁= P₂/T₂

5 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) modda zichligiga

C) modda miqdoriga

D) Modda tempraturasiga

6 / 25

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

A) modda

B) molar massasi

C) nisbiy molekulalar massa

D) moda miqdori

7 / 25

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = T₁ P₂ / P₁ V₁ T₂

8 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pr = mRT/v

B) PV = mRT/M

C) Pm = vRT/M

D) PV = RT/M

9 / 25

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

A) qaynash tempraturasi

B) bug’lanish tempraturasi

C) shudring tempraturasi

D) absolyut tempraturasi

10 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=A+ΔU

B) Q= l m

C) Q=cm Δt

D) Q=L m

11 / 25

Izotermik jarayon uchun termodinamikaning 1-qonuni

A) Q=A

B) Q= ΔU

C) Q= ΔU+A

D) ΔU=-A

12 / 25

Sirt taranglik koeffitsiyenti formulasini ko'rsating

A) δ(sigma) =Q/m

B) δ (sigma) = F/l

C) δ(sigma) = Q/L

D) δ(sigma) = F/S

13 / 25

D = 1 / L₀ - 1 / d₁ formula yordamida nima aniqlanadi? L₀- sog’ ko'zning yaxshi ko'rish masofasi, d₁- nuqsonli ko’zning yaxshi ko’rish masofasi

A) Ko’zning eng yaxshi ko’rish masofasini

B) Linzaning fokus masofasini

C) Nuqsonni ko’z uchun ko’zoynak optik kuchini

D) Linzaning optik kuchini

14 / 25

4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng.

A) 4 dptr

B) 10 dptr

C) 16 dptr

D) 8 dptr

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) 20 sm

B) 10 sm

C) 15 sm

D) 25 sm

17 / 25

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

A) Dispersiya

B) Difraksiya

C) Interferensiya

D) Sinish

18 / 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) Epidiaskop

B) Fotoapparat

C) Proyeksion apparat

D) Mikroskop

19 / 25

Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi?

A) Lupa

B) Fotoapparat va ko’z

C) Fotoapparat

D) Proyeksion apparat

20 / 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) 1,2,3,4,5,6

C) 4,5,6

D) 1,6

21 / 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

22 / 25

Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari

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

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

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

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

23 / 25

Fotoeffekt uchun Eneshteyin formulasini ko’rsating

A) E=h v (v-nyu)

B) E = hc/λ

C) E>A

D) hv=A+mv²/2

24 / 25

Anod kuchlanishi 100kilovolt bo'lganda rentgen turibkasi anodiga yetib borayotgan elektronlarning kinetik energiyasi qanday bo’ladi? e=1,6*10^{-19 C qaysi raqamda berilgan}

1) 1,6*10^-14 J 2) 1,6*10^-19 J 3) 16 J 4) 160 J

A) 4

B) 3

C) 2

D) 1

25 / 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) 100 kV

B) 140 kV

C) 200 kV

D) 40 kV