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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

Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F

A) Fotoapparat va ko’z

B) Lupa

C) Fotoapparat

D) Proyeksion apparat

2 / 25

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

A) Kattalashgan, to’g’ri, mavhum

B) Kattalashgan, teskari, mavhum

C) Kichiklashgan, teskari, haqiqiy

D) Kichiklashgan, to’g’ri, mavhum

3 / 25

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

A) 10

B) 1

C) 0,1

D) 8,3

4 / 25

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

A) 200000

B) 225000

C) 300000

D) 150000

5 / 25

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

A) Sinish

B) Interferensiya

C) Difraksiya

D) Dispersiya

6 / 25

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

A) Ha

B) Yo’q

C) Suv qatlamining qalinligiga bog’liq

D) Nurning tushish burchagiga bog’liq

7 / 25

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

A) Linzaning absolyut nur sindirish ko’rsatkichi

B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

C) Sfera radiuslari nisbati

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

8 / 25

Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr)

A) Lyambda > 0,75

B) Lyambda < 0,4

C) Lyambda 0-10

D) Lyambda 0,4 - 0,75

9 / 25

1 m³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 10⁵

C) 5 * 10²⁵

D) 6 * 10²³

10 / 25

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

A) issiqlik balansi

B) issiqlik muvozanati

C) gaz xolat tenglamasi

D) tempratura muvozanati

11 / 25

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

A) T = 273 - t

B) T = t- 273

C) T = t + 273

D) T = - t - 273

12 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) 423 K

B) -423 K

C) 123 K

D) -123 K

13 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) - 373 gradus S

C) -173 gradus S

D) 100 gradus S

14 / 25

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

A) qaynash tempraturasi

B) absolyut tempraturasi

C) shudring tempraturasi

D) bug’lanish tempraturasi

15 / 25

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

A) Boyl-Mariott

B) Sharl

C) Avogadro

D) Gey – Lyussak

16 / 25

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

A) Avogadro 6*10³⁴ 1/ mol

B) Avogadro 6*10²⁶ 1/ mol

C) Avogadro 6*10²³ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

17 / 25

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

A) E=hv

B) L=c/v

C) E=hc/λ

D) λ=A/h

18 / 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) 40 kV

C) 140 kV

D) 200 kV

19 / 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

20 / 25

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

A) nisbiy molekulalar massa

B) modda

C) molar massasi

D) moda miqdori

21 / 25

Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi?

A) p/T=const

B) v=m/M

C) pT=const

D) pV=const

22 / 25

Ochiq idishdagi 20⁰C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak

A) 260°C

B) 190°C

C) 293°C

D) 203°C

23 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Molekulalar orasidagi tortitish kuchi

C) Diffuziya

D) Molekulalarning atomlardan tashkil topishi

24 / 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

25 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 5 * 10²⁵

C) 3,3 * 10²⁸

D) 10⁵

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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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