7-sinf o’quvchilari uchun fizika fanidan tеst savоllari

Urganch tuman XTMFMTTE bo`limiga qarashli 47-sonli AFCHO`DI maktabining
7-sinf o`quvchilari uchun fizika fanidan tеst savоllari
II chorak. 2-variant


1. Garavitatsion doimiyning son qiymatida nechaga teng?
A) 6,67· 10^-11 Nm²/kg² B) 6,67· 10^-8 N C) 6,371· 10⁶ m D) 5,976· 10²⁴ kg
2. Prujinaga jism osilgan bunda elastiklik kuchi qayerda hosil bo`ladi?
A) Jismda B) Ikkalasida ham C) Prujinada D) Ikkalasi o`rtasida
3. Avtomobil radiusi 100m bo`lgan aylana yo`lda 36 km/soat tezlik bilan harakatlanmoqda uning markazga intilma tezlanishini toping?
A) 10m/s² B) 100 m/s² C) 3600 m/s² D) 1 m/s²
4. Jismning og`irligi ……. da hosil bo`ladi
A)…jismda B)….yerda C)…tayanchda D)…tayanch va jismda
5. Agar yerning radiusi 6,37· 10⁶ m bo`lsa uning massasini toping?
A) 6· 10²³ kg B) 5,976· 10²⁴ kg C) 598· 10²² kg D) 598· 10²⁴³ kg
6. Jismlarning o`zaro ta’sirini xarakterlavchi kattalik……deyiladi?
A)…kuch B) …tezlanish C)..massa D) …tezlik
7. 60 N kuch jismga 0,8m/s² tezlanish beradi. Qanday kuch bu jismga 2 m/s² tezlanish beradi?
A) 24N B) 15N C) 150N D) 240N
8. Kuchni qaysi asbobda o`lchash mumkin?
A) Manometr B) Menzurka C) Tarozi D) Dinomometr
9. Jismga boshqa jismlarning ta’siri bo`lmaganda, jism tezligini saqlash hodisasi nima deyiladi?
A) Uchish B) Inersiya C) harakat D) Tinchlik
10. Bikrligi 100 N/m prujina 20 N kuch bilan qanchaga cho`ziladi?
A) 5sm B) 5 m C) 20sm D) 0,2sm
11. Guk qonuni formulasida “k” qanday kattalik?
A) Prujinaning uzayishi B) Ta’sir etuvchi kuch С) Prujinaning bikrligi D) Nisbiy uzayish