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6-sinf Fizika 3-chorak

InfoMaster

Aprel 12, 2021

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6-sinf Fizika 3-chorak

Testni Vafaqulov Alisher tayyorladi.

1 / 25

Lenzaning optik kuchi formulasini ko’rsating.

A) A=Fs

B) D=1/F

C) k=Fl

D) F=ma

2 / 25

Ichki yonuv dvegatorini kim ixtiro qilgan

A) E.Lenuar

B) J.Uatt

C) Jaul

D) J.Kyuno

3 / 25

Cho’g’lanma elektr lampochkaning temperaturasi qancha

A) 2500˚C

B) 2800˚ C

C) 1500˚ C

D) 100˚ C

4 / 25

Suv necha gradusda qaynaydi

A) 15˚C

B) 20˚C

C) 25˚C

D) 100˚C

5 / 25

Bir modda molekulalarining ikkinchi modda molekulalari orasiga kirishuvi....deyiladi?

A) bug'lanish

B) diffuziya

C) issiqlikdan kengayish

D) Broun harakati

6 / 25

72 km/soat necha m/s ga teng ?

A) 15 m/s

B) 20 m/s

C) 10m/s

D) 18 m/s

7 / 25

Fizik bilimlar manbai........ hisoblanadi?

A) Kuzatish va tajriba o'tkazish

B) Tajriba o 'tkazish

C) O'lchashlar

D) Kuzatishlar

8 / 25

Modda xossasi saqlanib qoladigan eng kichik zarrachaga nima deyiladi

A) molekula

B) Modda

C) mexanika

D) fizik jism

9 / 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) 250 km/soat

C) 200 km/soat

D) 150 km/soat

10 / 25

1 millisekund necha sekundga teng

A) 0,0001

B) 0.001 s

C) 0,002

D) 0,2s

11 / 25

Diffuziya so’zining ma’nosi nima

A) Modda

B) tarqalish

C) fizik jism

D) molekula

12 / 25

Og’irlik kuchi formulasini ko’rsating ?

A) N=A/t

B) F=mg

C) F=A*S

D) a =v /

13 / 25

Bir soat necha minutni tashkil etadi ?

A) 80 min

B) 35 min

C) 20 min

D) 60 min

14 / 25

O'lchash mumkin bo’lgan eng katta masofa nima deyiladi?

A) O’lchash chegarasi

B) Chiziq shikalasi

C) A va S

D) t.j.y

E) Ulchash aniqligi

15 / 25

Suyuqlikning idish tubiga beradigan bosim formulasini ko'rsating.

A) F= ma

B) a =v/t

C) P= pgh

D) A=FS

16 / 25

Paskal qonuni ta’rifini ko’rsating ?

A) Suyuqlik va gaz o’ziga berilgan tashqi bosimni hamma tamonga o’zgarishsiz o’zatadi

B) O’g’irlik kuchi hisobga olinadi

C) Massa va og’irlik har doim teng

D) Og’irlik kuchi hisobga olinmaydi

17 / 25

Normal atmosfera bosimi necha paskalga teng ?

A) 760 Pa

B) 101360 Pa

C) 1395 Pa

D) 10105 Pa

18 / 25

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

A) 2

B) 10

C) 50

D) 3

19 / 25

Jismlarning ish bajara olish qobilyati …..deyiladi ?

A) Ish

B) Deffuziya

C) Bosim

D) Energiya

20 / 25

Massaning o’lchov birligi nima ?

A) J

B) N

C) m/s

D) kg

21 / 25

Ish formulasini ko’rsating ?

A) F=mg

B) A=FS

C) N=A/t

D) a= v/t

22 / 25

Xonaga o’rnatilgan ventelyator quvvati 36 w uning 40 s da bajargan ishi nimaga teng ?

A) 1440

B) 360

C) 180

D) 720

23 / 25

Vaqt birligi ichida bajarilgan ishga ... deyiladi?

A) Quvvat

B) Energiya

C) Tezlanish

D) Tezlik

24 / 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) 30 N

C) 45 N

D) 150 N

25 / 25

1 ok (ot kuchi) necha W ga teng ?

A) 780 w

B) 900 w

C) 735,5 w

D) 420W