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9-sinf Fizika 3-chorak

InfoMaster

May 21, 2021

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9-sinf Fizika 3-chorak

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1 / 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

2 / 25

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

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

B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi

C) Sfera radiuslari nisbati

D) Linzaning absolyut nur sindirish ko’rsatkichi

3 / 25

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

A) 150000

B) 300000

C) 225000

D) 200000

4 / 25

Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim?

A) 50

B) 6,25

C) 12,5

D) 25

5 / 25

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

A) c = λ / T

B) υ = at

C) υ = S / t

D) υ = λ / ν

6 / 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) Ko’zning eng yaxshi ko’rish masofasini

B) Linzaning fokus masofasini

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

D) Linzaning optik kuchini

7 / 25

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

A) 20 sm

B) 15 sm

C) 25 sm

D) 10 sm

8 / 25

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

A) 8 dptr

B) 16 dptr

C) 10 dptr

D) 4 dptr

9 / 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) Kichiklashgan, to’g’ri, mavhum

C) Kattalashgan, teskari, mavhum

D) Kichiklashgan, teskari, haqiqiy

10 / 25

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

A) Interferensiya

B) Sinish

C) Dispersiya

D) Difraksiya

11 / 25

Termodinamikaning 1-qonuni formulasi

A) Q=L m

B) Q=cm Δt

C) Q= l m

D) Q=A+ΔU

12 / 25

150 gradus S tempratura Kelvin shkalasida nimaga teng

A) -423 K

B) -123 K

C) 423 K

D) 123 K

13 / 25

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

A) gaz xolat tenglamasi

B) issiqlik balansi

C) issiqlik muvozanati

D) tempratura muvozanati

14 / 25

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

A) 4,6 * 10¯⁴² g

B) 56 * 10¯²³ g

C) 4,6 * 10¯²³ g

D) 4,6 * 10¯²⁴ g

15 / 25

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

A) izotermik

B) izaxorik

C) adibatik

D) izobarik

16 / 25

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

A) izoxorik

B) izotermik

C) adibatik

D) izobarik

17 / 25

Selsiy shkalasining nol nuqtasi nimani bildiradi

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

B) Suvning kritik temperaturasi

C) Suvning qotish temperaturasi

D) Suvning qaynash temperaturasi

18 / 25

Izoxorik jarayon uchun termodinamikaning 1-qonuni

A) ΔU=-A

B) Q= ΔU

C) Q= ΔU+A

D) Q=A

19 / 25

100 K Selsiy shkalasida nimaga teng

A) - 373 gradus S

B) 100 gradus S

C) -173 gradus S

D) 373 gradus S

20 / 25

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

A) molar massasi

B) modda

C) moda miqdori

D) nisbiy molekulalar massa

21 / 25

1 m ³ suvda necha molekula bor?

A) 3,3 * 10²⁸

B) 5 * 10²⁵

C) 6 * 10²³

D) 10⁵

22 / 25

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

A) 293°C

B) 260°C

C) 203°C

D) 190°C

23 / 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 ortadi

D) 2 marta kamayadi

24 / 25

Tempraturani o’lchash uchun qanday asbobdan foydalaniladi

A) termometr

B) psixrometr

C) gigrometr

D) Barometr

25 / 25

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

A) D = m / V

B) D = V / S

C) D = 2 – R

D) D = C / π

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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9-sinf Fizika 3-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 2-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 2-chorak

9-sinf Fizika 1-chorak

8-sinf Fizika 4-chorak

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