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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

Energiyaning o’lchov birligi nima ?

A) J

B) S

C) Amper

D) K

2 / 25

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

A) 3

B) 2

C) 50

D) 10

3 / 25

Havo o’z og’irligi bilan yer yuzasiga bosim beradi ,bu bosim qanday ataladi?

A) o’gir bosim

B) Atmosfera bosimi

C) Ochiq bosim

D) Havo qatlami

4 / 25

Ish formulasini ko’rsating ?

A) a= v/t

B) N=A/t

C) A=FS

D) F=mg

5 / 25

Jismlarning ish bajara olish qobilyati …..deyiladi ?

A) Ish

B) Deffuziya

C) Bosim

D) Energiya

6 / 25

Paskal qonuni ta’rifini ko’rsating ?

A) Og’irlik kuchi hisobga olinmaydi

B) Massa va og’irlik har doim teng

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

D) O’g’irlik kuchi hisobga olinadi

7 / 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) 5

B) 2

C) 3

D) 4

8 / 25

Tovushning suvdagi tezligini kim aniqlagan

A) O.Ryomer

B) Rezerford ,Paskal

C) J.Kolladan Ya. Shturm

D) P.Kyuri

9 / 25

Inson qulog’ining o’g’riq sezish bo’sag’asi qanchaga teng ?

A) 130 dB

B) 180 dB

C) 150 dB

D) 100-110 dB

10 / 25

Dengiz va okeanlar chuqurligini tovush aks sadosidan foydalanib o’lchaydigan asbob qanday nomlanadi ?

A) Exolot

B) Rezanator

C) Kamerton

D) Rotor

11 / 25

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

A) 1 s

B) 0,1 s

C) 0,01 s

D) 10 s

12 / 25

Temperaturaning quyi chegarasi nimaga teng

A) 25000 C

B) -273,150 C

C) 273,150 C

D) 15000 C

13 / 25

Lenzaning optik kuchi formulasini ko’rsating.

A) F=ma

B) A=Fs

C) D=1/F

D) k=Fl

14 / 25

Cho’g’lanma elektr lampochkaning temperaturasi qancha

A) 2500˚C

B) 2800˚ C

C) 1500˚ C

D) 100˚ C

15 / 25

Suv necha gradusda qaynaydi

A) 20˚C

B) 100˚C

C) 25˚C

D) 15˚C

16 / 25

Yorug’lik tezligini birinchi bo’lib kim aniqlagan

A) J.Uatt

B) Rezirfort

C) Nyuton

D) O.Ryomer

17 / 25

Jismlar harakati davomida fazoda qoldirgan iziga …deb ataladi

A) Traektoriya

B) Kuchish

C) Yo’l

D) Masofa

18 / 25

Bosim formulasini ko’rsating

A) p=m/v

B) P=F/s

C) 1/2

D) pa = a /t

19 / 25

O'lchash xatoligi necha xil?

A) 5xil

B) 2xil

C) 3xil

D) 1xil

20 / 25

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

A) Kuzatish va tajriba o'tkazish

B) Kuzatishlar

C) O'lchashlar

D) Tajriba o 'tkazish

21 / 25

Bir soat necha minutni tashkil etadi ?

A) 35 min

B) 20 min

C) 80 min

D) 60 min

22 / 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) 200 km/soat

D) 250 km/soat

23 / 25

Fizika so'zi ilk bor qaysi olimning asarlarida paydo bo'ldi?

A) Aristotel

B) G.Galiley

C) M.V.Lomonosov

D) I.Nyuton

24 / 25

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