Barcha fanlardan online testlar

9-sinf Fizika 4-chorak

InfoMaster

May 21, 2021

623 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 2

Tomonidan yaratilgan InfoMaster

9-sinf Fizika 4-chorak

Testni Vafaqulov Alisher tayyorladi.

Ismi familiyangizni kriting:

IsmTelefon raqami

1 / 25

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

A) molar massasi

B) nisbiy molekulalar massa

C) modda

D) moda miqdori

2 / 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) 2marta kamayadi

C) 5marta kamayadi

D) 4marta ortadi

3 / 25

Metallarni payvandlab ulash qaysi hodisaga asoslangan?

A) Diffuziya

B) Molekulalarning atomlardan tashkil topishi

C) Molekulalar orasidagi tortitish kuchi

D) Broun harakati

4 / 25

Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi

A) issiqlik muvozanati

B) to’yingan bug’

C) tempratura

D) ideal gaz

5 / 25

1 m ³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 10⁵

C) 3,3 * 10²⁸

D) 6 * 10²³

6 / 25

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

A) Proyeksion apparat

B) Lupa

C) Fotoapparat

D) Fotoapparat va ko’z

7 / 25

Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating

A) υ = λ / ν

B) υ = S / t

C) υ = at

D) c = λ / T

8 / 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

9 / 25

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

A) Ha

B) Suv qatlamining qalinligiga bog’liq

C) Yo’q

D) Nurning tushish burchagiga bog’liq

10 / 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

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) Ko’zning eng yaxshi ko’rish masofasini

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

D) Linzaning fokus masofasini

12 / 25

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

A) Lyambda > 0,75

B) Lyambda 0,4 - 0,75

C) Lyambda < 0,4

D) Lyambda 0-10

13 / 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) 2,1

B) 3

C) 4

D) 1

14 / 25

Lazerlarda qanday nurlanish turi qo’llaniladi

A) Tormozli nurlanish

B) Majburiy nurlanish

C) Issiqlikdan nurlanish

D) Rentgen nurlari

15 / 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

16 / 25

Lazer nurining tarqalish burchagi qancha?

A) 10 -10 radian

B) 10 -2 radian

C) 10 -5 radian

D) 1 radian

17 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=L m

C) Q=A+ΔU

D) Q=cm Δt

18 / 25

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

A) shudring tempraturasi

B) qaynash tempraturasi

C) absolyut tempraturasi

D) bug’lanish tempraturasi

19 / 25

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

A) D = m / V

B) D = V / S

C) D = C / π

D) D = 2 – R

20 / 25

100 K Selsiy shkalasida nimaga teng

A) 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) - 373 gradus S

21 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qaynash temperaturasi

C) Suvning kritik temperaturasi

D) Suvning qotish temperaturasi

22 / 25

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

A) 2 marta ortadi

B) 2 marta kamayadi

C) 4 marta kamayadi

D) 4 marta ortadi

23 / 25

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

A) Avogadro 6*10²³ 1/ mol

B) Avogadro 6*10³⁴ 1/ mol

C) Avogadro 6*10²⁶ 1/ mol

D) Avogadro 6*10²⁴ 1/ mol

24 / 25

Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng

A) 4,6 * 10¯²⁴ g

B) 4,6 * 10¯²³ g

C) 4,6 * 10¯⁴² g

D) 56 * 10¯²³ g

25 / 25

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = T₁ T₂ V₁ / P₁ P₂

C) V₂ = T₁ P₂ / P₁ V₁ T₂

D) V₂ = R₁ P₂ V₁/ T₁ T₂

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

Foydali bo'lsa mamnunmiz

SaqlashSaqlanganOlib tashlandi 2

Oldingi

Javob qoldiring

Sharhlash uchun siz saytga kirishingiz lozim.

May 2021
Du	Se	Ch	Pa	Ju	Sh	Ya
	1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30
31

Elementlarni Solishtiring

Jami (0)

Solishtiring

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

Javob qoldiring

Elementlarni Solishtiring