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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

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

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

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

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

2 / 25

Yorug’likning bitta porsiyasi .... deb nomlanadi

A) Kvant

B) Elektron

C) foton

D) Kvant,foton

3 / 25

Plank doimiysi qiymatini ko’rsating

A) 9,8 N/kg

B) 7,9 km/s

C) 6,7*10 ¯^11 Nm²/kg²

D) 6,63*10¯³⁴ Js

4 / 25

Atomning uyg’ongan holatda bo’lish vaqti qancha va qaysi raqamda berilgan

1) 10^-2 -- 10^-5s 2) 10 -- 20 s 3 )1 - 2 s 4)10^-7 -- 10^-8 s

A) 1

B) 3

C) 2,1

D) 4

5 / 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) 140 kV

B) 40 kV

C) 100 kV

D) 200 kV

6 / 25

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

A) E=hc/λ

B) E=hv

C) λ=A/h

D) L=c/v

7 / 25

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

A) 10 dptr

B) 16 dptr

C) 8 dptr

D) 4 dptr

8 / 25

Ko’zdan turli uzoqlikda joylashgan buyumlarni aniqroq ko’rish uchun mahsus muskullar ko’z gavharining egrilik radiusini bir oz o’zgartiradi. Bunga ... deyiladi?

A) Akkomodatsiya

B) Ko’rish masofasini o’zgartirish

C) Adaptatsiya

D) moslashish

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) Ranglarni ajratmaslik, botiq

B) Uzoqdan ko’rarlik, qavariq

C) Daltonizm, qavariq

D) Yaqindan ko’rarlik, botiq

10 / 25

Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng?

A) 10 sm

B) 25 sm

C) 20 sm

D) 15 sm

11 / 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) Linzaning optik kuchini

B) Linzaning fokus masofasini

C) Ko’zning eng yaxshi ko’rish masofasini

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

12 / 25

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

A) 150000

B) 200000

C) 225000

D) 300000

13 / 25

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

A) 4 marta kamayadi

B) 4 marta ortadi

C) 2 marta kamayadi

D) 2 marta ortadi

14 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) -173 gradus S

C) 100 gradus S

D) - 373 gradus S

15 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -123 K

B) -423 K

C) 423 K

D) 123 K

16 / 25

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

A) Shtern

B) Broun

C) Avogadro

D) Maksvell

17 / 25

1 m³ suvda necha molekula bor?

A) 10⁵

B) 5 * 10²⁵

C) 6 * 10²³

D) 3,3 * 10²⁸

18 / 25

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

A) Avogadro 6*10²⁶ 1/ mol

B) Avogadro 6*10²³ 1/ mol

C) Avogadro 6*10³⁴ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

19 / 25

Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi

A) izobarik

B) adibatik

C) izotermik

D) izoxorik

20 / 25

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

A) D = C / π

B) D = V / S

C) D = 2 – R

D) D = m / V

21 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=cm Δt

C) Q=A+ΔU

D) Q= l m

22 / 25

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

A) 4marta ortadi

B) O’zgarmaydi

C) 5marta kamayadi

D) 2marta kamayadi

23 / 25

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

A) D = 2 – R

B) D = m / V

C) D = V / S

D) D = C / π

24 / 25

Dinamika so‘zining ma’nosi nima

A) kuch

B) mashina

C) harakat

D) bo‘lak, parcha

25 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Broun harakati

B) Diffuziya

C) Molekulalarning atomlardan tashkil topishi

D) Molekulalar orasidagi tortitish kuchi

Baholash mezoni

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71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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9-sinf Fizika 4-chorak

Ismi familiyangizni kriting:

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

9-sinf Fizika 3-chorak

5-sinf Ingliz tili 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 2-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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