1-mavzu. (Test)

37-mavzu.(Test)

1. Agar o‘zgarmas temperaturada gazning bo­si­mi 362 mm simob ustunidan 1 atm. gacha o‘zgarsa, uning hajmi necha marta o‘zgaradi?

A) 1,4 B) 2,1 C) 1,9 D) 1,2

2. 20 m chuqurlikdagi ko‘lning tubidan havo pufakchasi suv sirtiga ko‘tarilganda, uning hajmi necha marta ortadi?

A) 20 B) 10 C) 7 D) 3

3. Agar porshen silindr balandligining 1/3 qismiga tushirilsa, undagi gazning bosi­mi necha marta ortadi? Temperatura o‘zgarmas.

A) 1,5 B) 3 C) 2 D) 2

4. Izotermik jarayonda gaz bosimi 3 marta kamaydi. Bunda gaz konsentratsiyasi qanday o‘zgaradi?

A) o‘zgarmadi B) 3 marta ortdi

C) 3 marta kamaydi D) 9 marta kamaydi

5. Ideal gaz bosimining termik koeffitsientini ko‘rsating.

A) =P/P0 B) =V/V0

C) =P/(P0T) D) =V/(V0T)

6. Ideal gaz 27°C da 30 l hajmni egalla­gan. Bosimni o‘zgartirmasdan, hajmni 3l ga orttirish uchun gazning temperaturasini necha Kelvinga ko‘tarish kerak?

A) 50 B) 30 C) 32 D) 300

7. Ideal gaz o‘zgarmas bosimda 27°C dan 54°C gacha isitilganda, gaz hajmi necha foizga ortadi?

A) 7 B) 9 C) 8 D) 12

8. Harorati 27°C bo‘lgan ideal gazning haj­mi 10 l edi. P=const sharoitda uning 327°C gacha isitilgandagi hajmi qancha bo‘ladi (l)?

A) 30 B) 20 C) 11,8 D) 23,6

9. Ideal gazning temperaturasi 67°C va haj­mi 25 l. Bosim o‘zgarmaganda, hajm 12,5 l ga teng bo‘lishi uchun gazni necha kelvin­gacha sovutish kerak?

A) 145 B) 150 C) 160 D) 170

10. Gaz temperaturasini izobarik ravishda 4°C ga oshirilganda, gaz hajmi dastlabki qiymatining 1/450 qismi qadar oshdi. Gaz­ning dastlabki temperaturasini (OC) toping.

A) 1527 B) 1800 C) 1600 D) 1537

11. Agar izobarik jarayonda ideal gaz hajmi 4 marta kamaygan bo‘lsa, molekulalarning o‘rtacha kinetik energiyasi qanday o‘zgargan?

A) 4 marta kamaygan B) 2 marta kamaygan

C) 2 marta ortgan D) 4 marta ortgan

12. Ideal gaz o‘zgarmas bosimda 27°C dan 72°C gacha isitilsa, uning hajmi necha foizga ortadi?

A) 30 B) 21 C) 42 D) 15

13. Ideal gaz 270 K ga izobarik ravishda sovitilganda, hajmi 4 marta kamaygan bo‘lsa, uning dastlabki temperaturasini toping (°C).

A) 87 B) 60 C) 1080 D) 807

14. 100°C temperaturadagi gazni izobarik ravishda necha gradusga qizdirganimizda, haj­mi 2 marta ortadi?

A) 283 B) 566 C) 10 D) 373

15. Gaz 10 K ga izobarik qizdirilganda, hajmi 1,1 marta ortsa, u qanday tempe­ratu­rada bo‘lgan (K)?

A) 110 B) 150 C) 200 D) 100

16. Izobarik jarayonda ideal gaz molekula­la­ri­ning o‘rtacha kinetik energiyasi 2 marta kamaysa, hajm birligidagi molekulalar soni o‘zgaradimi?

A) o‘zgarmaydi B) 2 marta oshadi

C) 2 marta kamayadi D) marta kamayadi

17. Yopiq idishdagi gaz 200 K ga qizdiril­gan­da bosim 1,5 marta ortgan b­o‘lsa, uning dastlabki temperaturasi qanday bo‘lgan (K)?

A) 200 B) 300 C) 400 D) 500