1. XX аср бошига келиб қорақалпоқ демократик анъаналарини янги авлод вакилларини аниқланг?

Test. Fizika.9-sinf.I-variant.
1.Mexanik kuchlanish formulasini ko’rsating.
A) σ=F/S B) σ=FS C) p=F/S D) F=σℓ
2.Suvning qaynash temperaturasi necha gradus?
A) 20 B) 90 C) 0 D) 100
3.Nisbiy uzayish qanday harf bilan belgilanadi?
A) λ B) ε C) σ D) µ
4. Moddaning qattiq holatidan gaz holatiga o’tish jarayoni ...... deyiladi.
A) erish B) qotish C) kondensatsiya D) sublimatsiya
5.Harorat o’zgarmas bo’ladigan izojarayon …… deyiladi.
A) izobarik B) izotermik C) izoxorik D) adiabatik
6. Termodinamikaning I qonuni formulasi qanday.
A) Q=A B) Q=ΔU+A C) Q=ΔU D) ΔU=A
7. Termodinamik ish bajarilmaydigan jarayon qaysi?
A) izobarik B) izotermik C) izoxorik D) adiabatik
8.Sirt taranglik kuchi formulasi qanday?
A) σ=F/S B) σ=FS C) p=F/S D) F=σℓ
9. 27⁰C necha kelvin?
A) 100K B) 200K C) 300K D) 400K
10. 1kg suvni xaroratini 10⁰C ga oshirish uchun qancha issiqlik miqdori kerak?
A) 4200J B) 420J C) 42J D) 4.2J
11. Moddaning solishtirma erish issiqligi belgisi va birligi qanday?
A) C, J/kgK B) q, J/kg C) λ, J/kg D) r, J/kg
12.T=const bo’lsa, P₁V₁=P₂V₂ bo’lish jarayoni qanday jarayon?
A) izobarik B) izotermik C) izoxorik D) adiabatik
13.Izobarik jarayon formulasini ko’rsating.
A) PV=const, T=const B) P/T=const, V=const C) V/T=const, P=const D) PV=const, T=const
14.Aniq erish temperaturasiga ega bo’lmagan jism …… .
A) Kristal jism B) amorf jism C) polokristall D) monokristal
15.Izoxorik jarayon uchun termodinamikaning I qonuni formulasi qanday.
A) Q=ΔU+A B) ΔU=A C) Q=A D) ΔU=A
16. Mendeleyev-Klapeyron tenglamasi qanday?
A) P=nkT B) PV=νRT C) PV=RT D) PV= const
17. Moddaning solishtirma issiqlik sig’imi belgisi va birligi?
A) C, J/kgK B) q, J/kg C) λ, J/kg D) r, J/kg
1. Ideal gaz molekular-kinetik nazariyasining asosiy tenglamasi qanday?
A) m= ν M B) E_k=m₀υ²/2 C) P=n m₀υ²/3 D) υ=
19. Universal gaz doimiysi qanday va nechaga teng?
A)N_A=6,02*10²³1/mol B) K=1,38*10^-23J/K C) R=8,31J/molK D) K=1,38*10²³J/K
20. Moddaning gaz holatidan suyuq holatiga o’tishi nima deyiladi?
A) erish B) suyulish C) kondensatsiya D) sublimatsiya
21. Moddaning erish uchun zarur bo’lgan issiqlik miqdori formulasi qanday?
A) Q=r m B) Q=c m Δt C) Q=λm D) Q=qm
22.Havoning nisbiy namligi qanday asbob bilan o’lchanadi?
A) barometr B) psixrometr C) monometr D) termometr
23.Izojarayonlar necha xil bo’ladi?
A) 2 B) 3 C) 4 D) 5
24. Keltirilgan formulalardan qaysi biri moddaning yonish issiqligidir?
A) Q=r m B) Q=c m Δt C) Q=λm D) Q=qm
25. Moddalarning bug’lanish tezligi nimalarga bog’liq?
A) xaroratga B) modda turiga C) sirt yuziga D) A,B,C
A) xaroratga B) modda turiga C) sirt yuziga D) A,B,C