Barcha fanlardan online testlar

9-sinf Fizika 4-chorak

InfoMaster

May 21, 2021

593 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

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

A) V₂ = P₁ V₁ T ₂ / T₁ P₂

B) V₂ = R₁ P₂ V₁/ T₁ T₂

C) V₂ = T₁ T₂ V₁ / P₁ P₂

D) V₂ = T₁ P₂ / P₁ V₁ T₂

2 / 25

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

A) T = - t - 273

B) T = 273 - t

C) T = t + 273

D) T = t- 273

3 / 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

4 / 25

m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli

A) adibatik

B) izotermik

C) izaxorik

D) izobarik

5 / 25

Termodinamikaning 1-qonuni formulasi

A) Q= l m

B) Q=cm Δt

C) Q=A+ΔU

D) Q=L m

6 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning qaynash temperaturasi

C) Suvning qotish temperaturasi

D) Suvning kritik temperaturasi

7 / 25

1 m³ suvda necha molekula bor?

A) 5 * 10²⁵

B) 10⁵

C) 3,3 * 10²⁸

D) 6 * 10²³

8 / 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

9 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

A) Suvning kritik temperaturasi

B) Suvning qotish temperaturasi

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

D) Suvning qaynash temperaturasi

10 / 25

O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi

A) Cheksiz yoyiladi

B) Cheksiz yoyilmaydi

C) Moy qatlamining qalinligiga bog'liq

D) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi

11 / 25

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

A) modda

B) nisbiy molekulalar massa

C) molar massasi

D) moda miqdori

12 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) gigrometr

B) Barometr

C) psixrometr

D) termometr

13 / 25

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

A) 15 sm

B) 20 sm

C) 25 sm

D) 10 sm

14 / 25

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

A) 225000

B) 300000

C) 150000

D) 200000

15 / 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) Lupa

C) Proyeksion apparat

D) Fotoapparat

16 / 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

17 / 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

18 / 25

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

A) Sfera radiuslari nisbati

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

C) Linzaning absolyut nur sindirish ko’rsatkichi

D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

19 / 25

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

A) Suv qatlamining qalinligiga bog’liq

B) Nurning tushish burchagiga bog’liq

C) Ha

D) Yo’q

20 / 25

Lazerlarda qanday nurlanish turi qo’llaniladi

A) Majburiy nurlanish

B) Issiqlikdan nurlanish

C) Tormozli nurlanish

D) Rentgen nurlari

21 / 25

Fotoeffekt uchun Eneshteyin formulasini ko’rsating

A) E = hc/λ

B) hv=A+mv²/2

C) E=h v (v-nyu)

D) E>A

22 / 25

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

A) fotoeffekt

B) Magnitlanish

C) termoyelektron emissiya

D) Elektrlanish

23 / 25

Yorug’likning bitta porsiyasi .... deb nomlanadi

A) Kvant,foton

B) Kvant

C) foton

D) Elektron

24 / 25

Qaysi nurlarning zarracha hususiyati kamroq

A) Rentgen

B) Ko’zga ko'rinadigan

C) Ultirabinafsha

D) γ-nurlar

25 / 25

Ko’z sezgirligi katta. 0,5 mikrometr to’lqin uzunlikdagi quvvati 2*10^-17 vatt bo’lgan yorug’likni ko’z zo’riqishsiz qabul qila oladi. Bu holda ko’zning to’r pardasiga har 1sda nechta foton tushib turadi

A) 200

B) 53

C) 100

D) 153

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