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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

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

A) 3

B) 50

C) 10

D) 2

2 / 25

Quvvatning o’lchov birligi nima ?

A) W (Vatt)

B) J

C) Kelvin

D) A

3 / 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) 30 N

B) 45 N

C) 100 N

D) 150 N

4 / 25

Kemaning suvga botadigan chuqurligi nima deb ataladi ?

A) Vatar chizig’i

B) Suv sig’imi

C) Botish darajasi

D) A va D

5 / 25

Normal atmosfera bosimi necha paskalga teng ?

A) 760 Pa

B) 1395 Pa

C) 10105 Pa

D) 101360 Pa

6 / 25

Potensial energiya formulasini toping ?

A) F=mg

B) S= v/t

C) a= v/t

D) E=mgh

7 / 25

Temperaturani o’lchaydigan asbob nima deyiladi

A) Termometr

B) Manometr

C) Barometr

D) Spidametr

8 / 25

Normal ko’z uchun yaxshiko’rish masofasi nechaga teng

A) 25 sm

B) 10 sm

C) 2 sm

D) 6 sm

9 / 25

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

A) Botiq lenza

B) Lenza

C) Bosim

D) Dvigatel

10 / 25

Konveksiya so’zining ma’nosi nima?

A) Sochilish

B) Olib kelish

C) Yoyilish

D) Aralashish

11 / 25

Dastlabki issiqlik dvigatellari qanday nomlangan?

A) Rator

B) Bug’ mashinasi

C) Stator

D) Genirator

12 / 25

Linzaning fokus masofasi 4 sm .Uning optik kuchi nechaga teng

A) 0,25

B) 0,4

C) 25

D) 4

13 / 25

Temperaturaning yuqori chegarasi nechaga teng

A) 2730 C

B) Yuqori chegara qayt qilinmagan

C) 273,150 C

D) 27000 C

14 / 25

Chastotaning o’lchov birligi nima?

A) m/s

B) amper

C) Joul

D) Gers

15 / 25

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

A) nur

B) spektr

C) Prizma

D) Linza

16 / 25

Dastlabki issiqlik dvegatorlari qanday nomlangan?

A) Stator

B) Genirator

C) Bug’ mashinasi

D) Rator

17 / 25

Temperaturaning quyi chegarasi nimaga teng

A) -273,150 C

B) 15000 C

C) 273,150 C

D) 25000 C

18 / 25

Ayollar chiqaradigan asosiy tonlarni belgilang

A) Tenor,Bbariton, soprano

B) Soprano,Kontralto,Messo-soprano

C) Bas, Bariton

D) Bariton,soprano

19 / 25

Tovushni havoda tarqalish tezligini kim aniqlagan?

A) Nyuton

B) B.Paskal

C) O.Ryomer

D) M.Mersen

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) 200 km/soat

B) 50 km/soat

C) 150 km/soat

D) 250 km/soat

21 / 25

1 sutka necha soatga teng

A) 50 Soat

B) 30 soat

C) 45 soat

D) 24 soat

22 / 25

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