Fizika fanidan test savollari (1-variant) Moddalar necha turdagi agregat holatda bo’ladi?

Fizika fanidan test savollari (1-variant)

1. Moddalar necha turdagi agregat holatda bo’ladi?

A) 2 B) 3 C) 4 D) 5
2. Diffuziya tezligi nimaga teng?
A) Modda temperaturasiga B) Modda miqdoriga
C) Modda zichligiga D) barcha javoblar to’g’ri
3. 1 ta kislorod molekulasi taxminan necha kg ga teng?
A) B) C) D)
4. Avogadro soni nechaga teng?
A) ^-1 B) ^-1 C) ^-1 D) ^-1
5. Molyar massa qaysi formula orqali hisoblanadi?
A) B) C) D)
6. Quyidagilardan qaysi biri xalqaro birliklar tizimining asosiy birligi hisoblanadi?
A) Pa B) N C) K D) J
7. Berilgan tenglamalar orasidan izoxorik jarayon tenglamasini ko’rsating.
A) B) C) D)
8. 1 mol ideal gaz uchun yozilgan holat tenglamasini ko’rsating.
A) B) C) D)
9. CO₂ – karbonat angidrid gazining molyar massasi qanchaga teng?
A) B) C) D)
10. Suv tomchisida 10²⁰ ta molekula bor. Suvning molyar massasini 0,018 kg/mol ( ) massasini toping.
A) B) C) D)
11. Karbonad angidrid gazning 1 ta molekulasi nechta atomdan tashkil topgan?
A) 5 B) 4 C) 3 D) 2
12. Temperatura lotincha qanday ma’noni anglatadi?
A) Harorat B) Holat C) Muvozanat D) Issiqlik
13. Absolyut nol temperature qanday temperature hisoblanadi?
A) Eng past temperatura bo’lib, bunday temperaturada modda molekulalari harakatdan to’xtaydi.
B) Eng yuqori temperature
C) Erish temperaturasi
D) Suyuq moddalarning qotish temperaturasi
14. C ni Kelvin shkalasida ifodalang.
A) T=200 K B) T=300 K C) T=305 K D) T=303 K
15. Ideal gaz bosimi formulasini ko’rsating.
A) B) C) D)
16. Izotermik jarayonga berilgan ta’rifni ko’rsating.
A) O’zgarmas bosimda berilgan m massali gazning hajmi temperaturaga proporsional ravishda o’zgaradi.
B) O’zgarmas temperaturada berilgan gazning bosimi hajmiga teskari proporsional ravishda o’zgaradi
C) O’zgarmas hajmda berilgan massali gazning bosimi temperaturaga proporsional ravishda o’zgaradi.
D) Izotermik jarayonda ideal gazga berilgan issiqlik ish bajarishga sarflanadi.
17. Adiabatik jarayonda qaysi shart bajariladi?
A) B) C) D)
18. Termodinamikaning I-qonuni formulasini ko’rsating.
A) B) C) D)
Fizika fanidan test savollari (2-variant)

1. Ip qo‘zg‘almas blokdan o‘tkazilib, bir uchiga 15 H, ikkinchi uchiga 25 N og‘irlikdagi yuklar osilgan bo‘lsa, ular qanday tezlanish bilan harakatlanadi (m/s ²)?

A)3 B) 2 C) 5 D) 2,5
2. Agar biror balandlikdan gorizontal otilayotgan jismning otilish tezligi 4 marta oshirilsa, uning harakatlanish vaqti qanday o‘zgaradi?
A) o‘zgarmaydi B) 2 marta kamayadi
C) 2 marta ortadi D) 4 marta ortadi
3. Avtomobil o‘z harakati vaqtining birinchi yarmida 80 km/soat tezlik bilan, qolgan vaqtida esa 40 km/soat tezlik bilan harakatlangan. Avtomobil harakatining o‘rtacha tezligi topilsin.
A) 120 km/soat B) 60 m/s C) 40 km/soat D) 60 km/soat
4. Sirt taranglik koeffitsienti o’lchov birligi fo’rmulasini ko’rsating.
A) N*m B)N/m C)Pa*s D)N²/m²
5.Adiabatik kengayishda gazning ichki energiyasi qanday o’zgaradi.
A)∆U=-A B)Q=A+U C)Q=A D)Q=A-U
6. 0,1mm radiusli kapillyarda suv qanday balandlikka ko’tariladi. (sm)
A)1,46 B) 14,6 C)0,146 D)30,4
7. O’z suyuqligi bilan dinamik muvbozanatda bo’lgan bug’ ………..bug’ deyiladi.
A)Ho’l B)kondensatsiya C)To’yingan D)Quruq
8.Mexanik kuchlanish o’lchov birligini ko’;rsating.
A) Pa B)N*m C)N*s D)N*m²
9. Butun Olam tortishish qonunidagi gravitatsion doimiyning ma’nosi qanday?
A) Massalari 1kg dan va oralaridagi masofa 1m bo’lgan ikki jism orasidagi tortishish kuchiga teng kattalik
B) Massalari 1kg dan bo’lgan ikkita jismning og’irlik kuchlarining yig’indisiga teng kattalik
C) Massalari 1kg dan bo’lgan ikkita jismning og’irlik kuchlarining yig’indisiga teng kattalik
D) Massalari 10kg dan va oralaridagi masofa 1m bo’lgan ikki jism orasidagi tortishish kuchiga teng kattalik
10. Qanday haroratda vodorod molekulalarining o’rtacha kvadratik tezligi 3km/s bo’ladi?
A) 335K
B) 722K
C) 300K
D) 520K.
11. Vodorod gazining 2 grammida nechta molekula bor?
A) 210²³
B) 10²³
C) 610²³
D) 1210²³
12. Radiusi 0,2 mm bo’lgan kapilyar naycha suvga botirilsa undagi suyuqlik qanday balandlikka ko’tariladi? (sirt taranglik kofitsenti 0,072 N/m, suv zichligi 10³ kg/m³)
A) 10 sm B) 14,4 sm S) 3,6 sm D) 7,2 sm
13. Moddalar necha turdagi agregat holatda bo’ladi?
A) 2 B) 3 C) 4 D) 5
14. Diffuziya tezligi nimaga teng?
A) Modda temperaturasiga B) Modda miqdoriga
C) Modda zichligiga D) barcha javoblar to’g’ri
15. 1 ta kislorod molekulasi taxminan necha kg ga teng?
A) B) C) D)
16. Avogadro soni nechaga teng?
A) ^-1 B) ^-1 C) ^-1 D) ^-1
17. Molyar massa qaysi formula orqali hisoblanadi?
A) B) C) D)
18. Quyidagilardan qaysi biri xalqaro birliklar tizimining asosiy birligi hisoblanadi?
A) Pa B) N C) K D) J