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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

Lazer nurining tarqalish burchagi qancha?

A) 1 radian

B) 10 -2 radian

C) 10 -10 radian

D) 10 -5 radian

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

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

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

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

3 / 25

Yorug’lik tabiatiga qarashlar: Yorug’lik bu

A) Mexanik to’lqin

B) ham to’lqin, ham zarracha tabiatiga ega

C) Elektromagnit to’lqin

D) Fotonlar oqimi

4 / 25

Yorug’likning bitta porsiyasi .... deb nomlanadi

A) Kvant

B) Elektron

C) Kvant,foton

D) foton

5 / 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) 1,6

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

D) 4,5,6

6 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) - 373 gradus S

7 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning qaynash temperaturasi

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

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

8 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=cm Δt

C) Q=A+ΔU

D) Q=L m

9 / 25

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

A) ν (nyu) = Nm / M

B) ν (nyu) = m / M

C) ν (nyu) = 1 / T

D) ν (nyu) = N / Na

10 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10²⁴ 1/ mol

C) Avogadro 6*10³⁴ 1/ mol

D) Avogadro 6*10²⁶ 1/ mol

11 / 25

Klapeyron - Mendelev tenglamashini ko’rsating

A) P₁/T₁= P₂/T₂

B) PV = mRT/M

C) P₂V₁/T₁= P₂V₂/T₂

D) P₁V₁=P₂V₂

12 / 25

1 m ³ suvda necha molekula bor?

A) 6 * 10²³

B) 3,3 * 10²⁸

C) 10⁵

D) 5 * 10²⁵

13 / 25

Diffuziya tezligi nimaga bog’liq

A) tashqi bosimga

B) modda zichligiga

C) Modda tempraturasiga

D) modda miqdoriga

14 / 25

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

A) Avogadro

B) Boyl-Mariott

C) Sharl’

D) Gey – Lyussak

15 / 25

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

A) 5marta kamayadi

B) 4marta ortadi

C) O’zgarmaydi

D) 2marta kamayadi

16 / 25

Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi

A) Shtern

B) Broun

C) Maksvell

D) Avogadro

17 / 25

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

A) nisbiy molekulalar massa

B) moda miqdori

C) modda

D) molar massasi

18 / 25

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

A) K=1,38 J/K

B) R=8,31*10³ J/mol K

C) R=8,31 J/mol K

D) P=3,14

19 / 25

Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating

A) p=2/3 nEk

B) pV=m/MRT

C) pV=T/=const

D) pV=RT

20 / 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

21 / 25

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

A) Proyeksion apparat

B) Lupa

C) Fotoapparat va ko’z

D) Fotoapparat

22 / 25

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

A) 4 dptr

B) 16 dptr

C) 10 dptr

D) 8 dptr

23 / 25

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

A) Proyeksion apparat

B) Fotoapparat va ko’z

C) Fotoapparat

D) Lupa

24 / 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

25 / 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

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9-sinf Fizika 4-chorak

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56%-70% 3 baho

55% va kamiga 2 baho

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