6-sinf, 1-chorak, fizika, a-variant

A)60 m B)100 m C)150 m D)40 m

6.Kater daryo oqimiga qarshi suzmoqda.Agar katerning suvga nisbatan tezligi 4 m/sek, daryo oqimining tezligi 3 m/sek bo’lsa, katerning qirg’oqqa nisbatan tezligini toping.

A)7 m/s B)5 m/s C) 1m/s D) 3 m/s

7.Poezd birinchi 40 km.ni 80 km/soat bilan, keyingi 50 km.ni 100 km/soatda bosib o’tdi. Poezdning butun yo’l davomida o’rtacha tezligini toping.

A)95 km/soat B)85 km/soat C)90 km/soat D)100 km/soat.

8. Modda xossasi saqlanib qoladigan eng kichik zarracha …………deyiladi.

A)Atom B)Elektron C)Yadro D) Molekula

9.Jism o’z hаrакаti dаvоmidа chizgаn chizig’i . . . . . dеyilаdi

А) Bоsib o’tilgаn yo’l B) Trаекtоriya C) Mехаniк hаrакаt D)Egri chiziq

10. Bоsib o’tilgаn yo’l dеb . . . . . . . aytiladi.

А)Trayektoriyaga B)Mа’lum bir vаqt dаvоmidа jism hаrакаt qilgаn tryeкtоriya uzunligigа

C)Mехаniк hаrакаtgа D)To’g’ri chiziqli harakatga

11.Tеzliк birligini кo’rsаting.

А) sm B) sekund C) soat D) m/s

12.Massa birligini ko’rsating.

A) soat B) kg C)sekund D) m/s

13.Zichlikni hisoblash formulasini ko’rsating.

A)s= υ t B)υ=s/t C)ρ=m/V D)m= ρV

14. Zichlikni birligini ko’rsating

A)soat B)kg C)kg/m³ D)m/s

15.Ishni hisoblash formulasi va birligini ko’rsating.

A) F=A/s ,N B) s=A/F ,m C) m= ρV ,kg D) A=Fs ,J