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6-sinf Fizika 4-chorak

InfoMaster

Aprel 12, 2021

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6-sinf Fizika 4-chorak

Testni Vafaqulov Alisher tayyorladi.

1 / 25

1 sekund vaqt davomida tebranishlar soni…………deyiladi?

A) davr

B) chastota

C) spekt

D) rezanator

2 / 25

Yoro’g’lik rangini birunchi bo’lib kim aniqlagan .

A) Joul

B) Amper

C) Rezerford

D) Nyuton

3 / 25

Tovushning suvdagi tezligini kim aniqlagan

A) P.Kyuri

B) O.Ryomer

C) Rezerford ,Paskal

D) J.Kolladan Ya. Shturm

4 / 25

Shiftga o’rnatilgan parrak sekundiga 10 marta aylanmoqda .Uning aylanish davri nimaga teng?

A) 1 s

B) 10 s

C) 0,1 s

D) 0,01 s

5 / 25

Cho’g’lanma elektr lampochkaning temperaturasi qancha

A) 1500˚ C

B) 100˚ C

C) 2500˚C

D) 2800˚ C

6 / 25

Issiqlik energiyasini mexanik energiyaga aylantirib beradigan qurilmaga….deb ataladi

A) Genirator

B) Issiqlik dvigatel

C) Menzurka

D) Stator

7 / 25

Yorug’lik tezligi nechaga teng?

A) 30*10⁹ m/s

B) 3*10⁸ m/s

C) 3*10⁷m/s

D) 300m/s

8 / 25

Benzin bilan ishlaydigan dvigatelni kim ixtiro qilgan?

A) Jaul

B) Jeymis Uatt

C) Nyuton

D) G.Daymler

9 / 25

Dastlabki issiqlik dvigatellari qanday nomlangan?

A) Bug’ mashinasi

B) Rator

C) Genirator

D) Stator

10 / 25

Kemaning suvga botadigan chuqurligi nima deb ataladi ?

A) Suv sig’imi

B) Botish darajasi

C) Vatar chizig’i

D) A va D

11 / 25

1 ok (ot kuchi) necha W ga teng ?

A) 420W

B) 780 w

C) 735,5 w

D) 900 w

12 / 25

Normal atmosfera bosimi necha paskalga teng ?

A) 101360 Pa

B) 10105 Pa

C) 1395 Pa

D) 760 Pa

13 / 25

Potensial energiya formulasini toping ?

A) F=mg

B) S= v/t

C) a= v/t

D) E=mgh

14 / 25

Massasi 4 kg va yuzasi 4 m²bo’lgan gilam polga qacha bosim berdi?

A) 10

B) 3

C) 2

D) 50

15 / 25

Vaqt birligi ichida bajarilgan ishga ... deyiladi?

A) Energiya

B) Tezlik

C) Tezlanish

D) Quvvat

16 / 25

Richakning uzun yelkasi 6 m qisqa yelkasi 2 m ga teng. Uzun yelkasiga 10 N kuch ta’sir ettirilsa, richak muvozanatda bo'lishi uchun qisqa yelkasiga qancha yuk qo'yish kerak?

A) 100 N

B) 150 N

C) 30 N

D) 45 N

17 / 25

Energiyaning o’lchov birligi nima ?

A) J

B) K

C) S

D) Amper

18 / 25

1 sutka necha soatga teng

A) 50 Soat

B) 24 soat

C) 30 soat

D) 45 soat

19 / 25

Bosim formulasini ko’rsating

A) p=m/v

B) P=F/s

C) 1/2

D) pa = a /t

20 / 25

72 km/soat necha m/s ga teng ?

A) 10m/s

B) 20 m/s

C) 18 m/s

D) 15 m/s

21 / 25

Elektr poezdi Yangiyer shahridan Toshkentga 3 soatda etib keldi. Agar shaharlar orasidagi masofa taxminan 150 km bo’lsa poezdning o’rtacha tezligini toping.

A) 50 km/soat

B) 150 km/soat

C) 250 km/soat

D) 200 km/soat

22 / 25

Diffuziya so’zining ma’nosi nima

A) tarqalish

B) fizik jism

C) Modda

D) molekula

23 / 25

Vaqt birligi ichida bosib o’tilgan yo’l …deb ataladi