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6-sinf Fizika 4-chorak

InfoMaster

Aprel 12, 2021

80 Ko'rishlar 323 izohlar

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6-sinf Fizika 4-chorak

Testni Vafaqulov Alisher tayyorladi.

1 / 25

Suv necha gradusda qaynaydi

A) 150C

B) 250 C

C) 100C

D) 1000 C

2 / 25

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

A) Amper

B) Joul

C) Rezerford

D) Nyuton

3 / 25

Kamalak oq yorug‘likni 7 xil rangga ajralishi nima deb ataladi?

A) spektr

B) nur

C) Prizma

D) Linza

4 / 25

Tovushning suvdagi tezligini kim aniqlagan

A) J.Kolladan Ya. Shturm

B) O.Ryomer

C) P.Kyuri

D) Rezerford ,Paskal

5 / 25

Tovushni havoda tarqalish tezligini kim aniqlagan?

A) M.Mersen

B) O.Ryomer

C) Nyuton

D) B.Paskal

6 / 25

16 Hz dan kichik tovushlar qanday ataladi .

A) infratovush

B) mamaqaldiraq

C) ultra tovush

D) chaqmoq

7 / 25

Jismlarning harakati necha xil bo’ladi

A) 6 xil

B) 3 xil

C) 7 xil

D) 2 xil

8 / 25

Bir soat necha minutni tashkil etadi ?

A) 35 min

B) 60 min

C) 80 min

D) 20 min

9 / 25

Og’irlik kuchi formulasini ko’rsating ?

A) F=A*S

B) a =v /

C) F=mg

D) N=A/t

10 / 25

Bosim formulasini ko’rsating

A) p=m/v

B) 1/2

C) P=F/s

D) pa = a /t

11 / 25

«Atom ichida bo'shliq va bo'lakchalar bo'lib, bu bo'lakchalarning hammasi harakatda bo'ladi». Bu jumlalar qaysi allomaga tegishli?

A) Abu Bakr Ar-Roziy

B) A.R. Benmiy

C) Demokrit

D) Ibn Sino

12 / 25

Molekulalarning to'xtovsiz va tartibsiz harakati nima deb ataladi

A) fizik jism

B) molekula

C) Braun harakati

D) molekula massasi

13 / 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

14 / 25

1 millisekund necha sekundga teng

A) 0,2s

B) 0,0001

C) 0,002

D) 0.001 s

15 / 25

Jismlar harakati davomida fazoda qoldirgan iziga …deb ataladi

A) Traektoriya

B) Yo’l

C) Masofa

D) Kuchish

16 / 25

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

A) Dvigatel

B) Bosim

C) Botiq lenza

D) Lenza

17 / 25

Temperaturaning yuqori chegarasi nechaga teng

A) 2700˚ C

B) Yuqori chegara qayt qilinmagan

C) -273˚ C

D) 273,15˚ C

18 / 25

Yorug’lik tezligi nechaga teng?

A) 30*10⁹ m/s

B) 300m/s

C) 3*10⁸ m/s

D) 3*10⁷m/s

19 / 25

Birinchi bug’ mashinasini kim ixtiro qilgan?

A) Kyuri

B) Jeymis Uatt

C) Jaul

D) Amper

20 / 25

Issiqlik energiyasini mexanik energiyaga aylantirib beradigan qurilmaga….deb ataladi

A) Issiqlik dvigatel

B) Menzurka

C) Genirator

D) Stator

21 / 25

Benzin bilan ishlaydigan dvigatelni kim ixtiro qilgan?

A) Jaul

B) Nyuton

C) Jeymis Uatt

D) G.Daymler

22 / 25

Richakning uzun yelkasi 6 m qisqa yelkasi 2 m ga teng. Uzun yelkasiga 10 N kuch ta’sir ettirilsa, qisqa tamoni uchi bilan qanday og’irlikdagi yukni ko’taradi

A) 150 N

B) 30 N

C) 200 N

D) 45 N

E) 100 N