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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

Og’irlik kuchi formulasini ko’rsating ?

A) N=A/t

B) F=A*S

C) a =v /

D) F=mg

2 / 25

Moddalar qanday tuzilgan?

A) Moddalarning tuzilishi ularning holatiga bog'liq

B) Moddalarning tuzilishi ularning haroratiga bog'liq

C) Moddalar asosan yaxlit holatda uchraydi.

D) Moddalar juda mayda zarralardan tuzilgan.

3 / 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) 200 km/soat

B) 150 km/soat

C) 250 km/soat

D) 50 km/soat

4 / 25

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

A) bug'lanish

B) issiqlikdan kengayish

C) diffuziya

D) Broun harakati

5 / 25

16 Hz dan kichik tovushlar qanday ataladi .

A) ultra tovush

B) infratovush

C) chaqmoq

D) mamaqaldiraq

6 / 25

Erkaklar chiqaradigan asosiy tonlarni belgilang

A) Saprano,Bas, Tenor

B) Saprano ,Kontrolto

C) Messo-saprano

D) Bas, Bariton,Tenor

7 / 25

Tovushning suvdagi tezligini kim aniqlagan

A) O.Ryomer

B) P.Kyuri

C) Rezerford ,Paskal

D) J.Kolladan Ya. Shturm

8 / 25

Suv necha gradusda qaynaydi

A) 150C

B) 100C

C) 250 C

D) 1000 C

9 / 25

20000 HZ dan katta tovushlar qanday ataladi.

A) ultratovush

B) infratoush

C) amplituda

D) rezonans

10 / 25

Dastlabki issiqlik dvegatorlari qanday nomlangan?

A) Stator

B) Bug’ mashinasi

C) Rator

D) Genirator

11 / 25

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

A) Nyuton

B) Rezerford

C) Amper

D) Joul

12 / 25

Ayollar chiqaradigan asosiy tonlarni belgilang

A) Bariton,soprano

B) Tenor,Bbariton, soprano

C) Bas, Bariton

D) Soprano,Kontralto,Messo-soprano

13 / 25

Normal ko’z uchun yaxshiko’rish masofasi nechaga teng

A) 6 sm

B) 10 sm

C) 2 sm

D) 25 sm

14 / 25

Dastlabki issiqlik dvigatellari qanday nomlangan?

A) Genirator

B) Bug’ mashinasi

C) Stator

D) Rator

15 / 25

Benzin bilan ishlaydigan dvigatelni kim ixtiro qilgan?

A) Nyuton

B) Jeymis Uatt

C) G.Daymler

D) Jaul

16 / 25

Issiqlik energiyasini mexanik energiyaga aylantirib beradigan qurilmaga….deb ataladi

A) Issiqlik dvigatel

B) Stator

C) Menzurka

D) Genirator

17 / 25

Cho’g’lanma elektr lampochkaning temperaturasi qancha

A) 100˚ C

B) 2500˚C

C) 2800˚ C

D) 1500˚ C

18 / 25

Birinchi bug’ mashinasini kim ixtiro qilgan?

A) Kyuri

B) Jaul

C) Jeymis Uatt

D) Amper

19 / 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

20 / 25

Ish formulasini ko’rsating ?

A) N=A/t

B) a= v/t

C) A=FS

D) F=mg

21 / 25

Jismlarning ish bajara olish qobilyati …..deyiladi ?

A) Bosim

B) Deffuziya

C) Energiya

D) Ish

22 / 25

Potensial energiya formulasini toping ?

A) S= v/t

B) a= v/t

C) E=mgh

D) F=mg

23 / 25

100 g massali tinch turgan jismga kuch qo’yilganda u silliq gorizantal muz ustida ishqalanmasdan 10 m/s tezlikka erishdi jism qanday kenitek energiyaga erishgan ?

A) 2

B) 3

C) 4

D) 5

24 / 25

1 ok (ot kuchi) necha W ga teng ?

A) 900 w

B) 420W

C) 735,5 w

D) 780 w

25 / 25

Massaning o’lchov birligi nima ?