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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

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

A) 16 dptr

B) 8 dptr

C) 4 dptr

D) 10 dptr

2 / 25

Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi

A) l>2F

B) l=F

C) l- F

D) l- f

3 / 25

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

A) Difraksiya

B) Dispersiya

C) Sinish

D) Interferensiya

4 / 25

Yorug’likning vakuumdagi tezligi (m/s)

A) 3 000

B) 300 000 000

C) 30 000

D) 200 000 000

5 / 25

Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik?

A) 1

B) 2

C) 4

D) 3

6 / 25

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

A) Nurning tushish burchagiga bog’liq

B) Ha

C) Yo’q

D) Suv qatlamining qalinligiga bog’liq

7 / 25

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

A) Fotoapparat va ko’z

B) Fotoapparat

C) Lupa

D) Proyeksion apparat

8 / 25

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

A) Sfera radiuslari nisbati

B) Linzaning absolyut nur sindirish ko’rsatkichi

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

D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

9 / 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

10 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) Q= ΔU

B) Q= ΔU+A

C) Q=A

D) ΔU=-A

11 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 6 * 10²³

D) 5 * 10²⁵

12 / 25

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

A) bug’lanish tempraturasi

B) shudring tempraturasi

C) absolyut tempraturasi

D) qaynash tempraturasi

13 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = 1 / T

C) ν (nyu) = m / M

D) ν (nyu) = N / Na

14 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

15 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) Pm = vRT/M

B) Pr = mRT/v

C) PV = RT/M

D) PV = mRT/M

16 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) v=m/M

B) pV=const

C) p/T=const

D) pT=const

17 / 25

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

A) 4 marta ortadi

B) 2 marta kamayadi

C) 4 marta kamayadi

D) 2 marta ortadi

18 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

B) Suvning qotish temperaturasi

C) Suvning kritik temperaturasi

D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura

19 / 25

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

A) issiqlik muvozanati

B) gaz xolat tenglamasi

C) issiqlik balansi

D) tempratura muvozanati

20 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Broun harakati

C) Molekulalarning atomlardan tashkil topishi

D) Molekulalar orasidagi tortitish kuchi

21 / 25

Dinamika so‘zining ma’nosi nima

A) mashina

B) bo‘lak, parcha

C) harakat

D) kuch

22 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁V₁=P₂V₂

B) P₁/T₁= P₂/T₂

C) P₂V₁/T₁= P₂V₂/T₂

D) PV = mRT/M

23 / 25

Plank doimiysi qiymatini ko’rsating

A) 6,63*10¯³⁴ Js

B) 9,8 N/kg

C) 6,7*10 ¯^11 Nm²/kg²

D) 7,9 km/s

24 / 25

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

A) fotoeffekt

B) Elektrlanish

C) termoyelektron emissiya

D) Magnitlanish

25 / 25

Fotoeffekt uchun Eneshteyin formulasini ko’rsating

A) E=h v (v-nyu)

B) E = hc/λ

C) hv=A+mv²/2

D) E>A

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9-sinf Fizika 4-chorak

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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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