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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

Birinchi bug’ mashinasini kim ixtiro qilgan?

A) Kyuri

B) Jaul

C) Amper

D) Jeymis Uatt

2 / 25

Moddalarning yoki jismlarning isitilganlik darajasini ifodalovchi kattalik …deb ataladi.

A) Kuch

B) Bosim

C) Tezlik

D) temperatura

3 / 25

Ikki yoki bir tomonni sferik sirt bilan chegaralangan shaffof jismga nima deyiladi?

A) Bosim

B) Botiq lenza

C) Lenza

D) Dvigatel

4 / 25

Dastlabki issiqlik dvigatellari qanday nomlangan?

A) Rator

B) Stator

C) Genirator

D) Bug’ mashinasi

5 / 25

Yorug’lik tezligi nechaga teng?

A) 3*10⁷m/s

B) 300m/s

C) 3*10⁸ m/s

D) 30*10⁹ m/s

6 / 25

Suv necha gradusda qaynaydi

A) 15˚C

B) 20˚C

C) 100˚C

D) 25˚C

7 / 25

Benzin bilan ishlaydigan dvigatelni kim ixtiro qilgan?

A) Jaul

B) Jeymis Uatt

C) G.Daymler

D) Nyuton

8 / 25

Suyuqlikning idish tubiga beradigan bosim formulasini ko'rsating.

A) F= ma

B) a =v/t

C) P= pgh

D) A=FS

9 / 25

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

A) 360

B) 1440

C) 180

D) 720

10 / 25

Massaning o’lchov birligi nima ?

A) m/s

B) N

C) kg

D) J

11 / 25

Kemaning suvga botadigan chuqurligi nima deb ataladi ?

A) Suv sig’imi

B) Botish darajasi

C) Vatar chizig’i

D) A va D

12 / 25

Normal atmosfera bosimi necha paskalga teng ?

A) 760 Pa

B) 10105 Pa

C) 101360 Pa

D) 1395 Pa

13 / 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) 3

B) 4

C) 5

D) 2

14 / 25

Quvvatning o’lchov birligi nima ?

A) J

B) Kelvin

C) W (Vatt)

D) A

15 / 25

1 ok (ot kuchi) necha W ga teng ?

A) 420W

B) 780 w

C) 900 w

D) 735,5 w

16 / 25

O'lchash xatoligi necha xil?

A) 5xil

B) 3xil

C) 2xil

D) 1xil

17 / 25

Molekula so'zining ma 'nosi nimani anglatadi?

A) Kichik massa

B) Qattiq jismlar

C) Materiya

D) Modda

18 / 25

Tabiatda uchraydigan barcha jismlarga…deb ataladi?

A) fizik jismlar

B) malikulalar

C) Atomlar

D) moddalar

19 / 25

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

A) O'lchashlar

B) Tajriba o 'tkazish

C) Kuzatishlar

D) Kuzatish va tajriba o'tkazish

20 / 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) 150 km/soat

B) 250 km/soat

C) 50 km/soat

D) 200 km/soat

21 / 25

Diffuziya so’zining ma’nosi nima

A) molekula

B) tarqalish

C) Modda

D) fizik jism

22 / 25

72 km/soat necha m/s ga teng ?