fizika 9-sinf olimpiada

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fizika 9-sinf olimpiada materiallari har bir topshiriq uchun 0.9 balldan baholanadi i variant 1.nyutonning birinchi qonuni ifodasini ko’rsating? a)a=const v=const b) a=0 v =const c) a=0 v=0 d) a=const v=0 2. bosim deb nimaga aytiladi? a) yuza birligiga ta’sir etuvchi kuchga b) yuzani kuchga ko’paytmasiga c) bajarilgan ishga d) yuzani kuchga nisbatiga 3. tekis harakatda tezlanish moduli......... a) o’zgarmas bo’ladi b) nolga teng bo’ladi c) o’zgaruvchan bo’ladi d) birday oshib boradi 4. aylana bo’ylab tekis harakat qilayotgan jism 10 minutda 3000 marta aylangan bo’lsa, aylanishlar davrini toping? a) 2s b) 20s c)0,2 s d)300s 5. sportchi aylana uzunligi 400 metr bo’lgan maydonni to’rt marta aylanib, harakat boshlagan joyiga kelib to’xtadi. sportchining ko’chishi va bosib o’tgan yo’lini toping? a) s=400m l= 400m b) s=1600m l=0 c) s= 1600m l=1600m d) s=0 l= 1600m 6. skalyar kattaliklarni ko’rsating? a) massa, vaqt, hajm b) tezlik, kuch, tezlanish c) tezlik, massa, vaqt d)ko’chish, tezlik, …
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a.v=s/t b. e=f/q c. f=e*q d. q=f/e 17. rezistor so’zining ma’nosi nima? ? a.qarshilik b. zaryad c. kuch d. kuchlanganlik 18. turli ishora bilan zaryadlangan bulutlar orasida yoki bulut bilan yer sirti orasida sodir bo’ladigan kuchli elektr uchquni... deyiladi ? a.yashin b. momaqaldiroq c. chaqmoq d. yashin qaytargich 19 tok kuchining birligi? a.volt b. amper c. kulon d. nyuton 20.720 km/soat ni m/s da ifodalang? a. 20 b. 15 c. 100 d.200 har bir topshiriq uchun 2.6 balldan baholanadi 21.suv qanday holatlarda uchraydi___________________________________________________ 22.elektr qarshilik qaysi asbob orqali o’lchanadi______________________________________________ 23.tempratura qaysi asbob yordamida o’lchanadi___________________________________ 24.elektr quvvat qaysi birlik orqali ifodalanadi________________________________________________ 25.erkin tushish qiymati nimaga teng_______________________________________________________ 26.jismlarni yerga tortuvchi kuch________________________________________________________ 27.kuch qanday asbob yordamida olchanadi_________________________________________________ 28. avogadro soni nechaga teng?__________________________________________________ 29. berilgan tenglamalar orasidan izoxorik jarayon tenglamasini ko’rsating_________________ 30. diffuziya tezligi nimaga teng?__________________________________________________ fizika 9-sinf olimpiada materiallari har bir topshiriq uchun 0.9 balldan baholanadi ii variant 1.nyutonning birinchi qonuni ifodasini ko’rsating? …
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yuza birligiga ta’sir etuvchi kuchga b) yuzani kuchga ko’paytmasiga c) bajarilgan ishga d) yuzani kuchga nisbatiga 5. tekis harakatda tezlanish moduli......... a) o’zgarmas bo’ladi b) nolga teng bo’ladi c) o’zgaruvchan bo’ladi d) birday oshib boradi 6. aylana bo’ylab tekis harakat qilayotgan jism 10 minutda 3000 marta aylangan bo’lsa, aylanishlar davrini toping? a) 2s b) 20s c)0,2 s d)300s 7. sportchi aylana uzunligi 400 metr bo’lgan maydonni to’rt marta aylanib, harakat boshlagan joyiga kelib to’xtadi. sportchining ko’chishi va bosib o’tgan yo’lini toping? a) s=400m l= 400m b) s=1600m l=0 c) s= 1600m l=1600m d) s=0 l= 1600m 8. skalyar kattaliklarni ko’rsating? a) massa, vaqt, hajm b) tezlik, kuch, tezlanish c) tezlik, massa, vaqt d)ko’chish, tezlik, vaqt 9. diffuziya hodisasi moddaning qaysi agregat holatida tez amalga oshadi? a) qattiq b) suyuq c) barchasidabir xil d) gaz 10. qarshiligi 30 va 60 om bo’lganiste’molchilar parallel ulangan. iste’molchilarning umumiy qarshiligini toping. a) 90 om …
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teng? a) b) c) d) 19. avogadro soni nechaga teng? a) -1 b) -1 c) -1 d) -1 20. molyar massa qaysi formula orqali hisoblanadi? a) b) c) d) har bir topshiriq uchun 2.6 balldan baholanadi 21.suv qanday holatlarda uchraydi___________________________________________________ 22.elektr qarshilik qaysi asbob orqali o’lchanadi______________________________________________ 23.tempratura qaysi asbob yordamida o’lchanadi___________________________________ 24.elektr quvvat qaysi birlik orqali ifodalanadi________________________________________________ 25.erkin tushish qiymati nimaga teng_______________________________________________________ 26.jismlarni yerga tortuvchi kuch________________________________________________________ 27.kuch qanday asbob yordamida olchanadi_________________________________________________ 28. avogadro soni nechaga teng?__________________________________________________ 29. berilgan tenglamalar orasidan izoxorik jarayon tenglamasini ko’rsating_________________ 30. diffuziya tezligi nimaga teng?__________________________________________________ fizika 9-sinf olimpiada javoblari i variant 1b 2a 3b 4c 5d 6a 7d 8c 9c 10 b 11a 12c 13a 14a 15d 16b 17a 18c 19b 20a 21suyuq,qattiq ,gaz 22ommetr 23termometr 24vatt 25 9,81m/s2 26 o’g’irlik kuchi 27 dinomometr 28 -1 29 30 ) modda temperaturasiga fizika 9-sinf olimpiada javoblari ii variant 1b 2c 3c 4a 5b 6c 7d 8a 9d …
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3 10 02 , 6 × mol 25 10 02 , 6 × mol 23 10 02 , 5 × mol 23 10 5 , 6 × a n m m 0 = 0 m m n = n m m = 0 m m = n mol 23 10 02 , 6 × const t p = mol 23 10 02 , 6 × const t p =

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fizika 9-sinf olimpiada materiallari har bir topshiriq uchun 0.9 balldan baholanadi i variant 1.nyutonning birinchi qonuni ifodasini ko’rsating? a)a=const v=const b) a=0 v =const c) a=0 v=0 d) a=const v=0 2. bosim deb nimaga aytiladi? a) yuza birligiga ta’sir etuvchi kuchga b) yuzani kuchga ko’paytmasiga c) bajarilgan ishga d) yuzani kuchga nisbatiga 3. tekis harakatda tezlanish moduli......... a) o’zgarmas bo’ladi b) nolga teng bo’ladi c) o’zgaruvchan bo’ladi d) birday oshib boradi 4. aylana bo’ylab tekis harakat qilayotgan jism 10 minutda 3000 marta aylangan bo’lsa, aylanishlar davrini toping? a) 2s b) 20s c)0,2 s d)300s 5. sportchi aylana uzunligi 400 metr bo’lgan maydonni to’rt marta aylanib, harakat boshlagan joyiga kelib to’xtadi. sportchining ko’chishi va bosib o’tgan yo’lini toping...

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