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6-sinf Fizika 4-chorak

InfoMaster

Aprel 12, 2021

133 Ko'rishlar 323 izohlar

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6-sinf Fizika 4-chorak

Testni Vafaqulov Alisher tayyorladi.

1 / 25

Moddalarning yoki jismlarning isitilganlik darajasini ifodalovchi kattalik …deb ataladi.

A) Kuch

B) Bosim

C) Tezlik

D) temperatura

2 / 25

Cho’g’lanma elektr lampochkaning temperaturasi qancha

A) 100˚ C

B) 2800˚ C

C) 2500˚C

D) 1500˚ C

3 / 25

Normal ko’z uchun yaxshiko’rish masofasi nechaga teng

A) 10 sm

B) 6 sm

C) 25 sm

D) 2 sm

4 / 25

Lenzaning optik kuchi formulasini ko’rsating.

A) A=Fs

B) D=1/F

C) F=ma

D) k=Fl

5 / 25

Temperaturani o’lchaydigan asbob nima deyiladi

A) Spidametr

B) Barometr

C) Termometr

D) Manometr

6 / 25

Dastlabki issiqlik dvigatellari qanday nomlangan?

A) Stator

B) Genirator

C) Rator

D) Bug’ mashinasi

7 / 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) 45 N

C) 100 N

D) 30 N

E) 200 N

8 / 25

Normal atmosfera bosimi necha paskalga teng ?

A) 760 Pa

B) 10105 Pa

C) 1395 Pa

D) 101360 Pa

9 / 25

Ish formulasini ko’rsating ?

A) A=FS

B) N=A/t

C) a= v/t

D) F=mg

10 / 25

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

A) 10

B) 2

C) 50

D) 3

11 / 25

Paskal qonuni ta’rifini ko’rsating ?

A) Og’irlik kuchi hisobga olinmaydi

B) O’g’irlik kuchi hisobga olinadi

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

D) Massa va og’irlik har doim teng

12 / 25

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

A) 1440

B) 180

C) 720

D) 360

13 / 25

Jismlarning ish bajara olish qobilyati …..deyiladi ?

A) Ish

B) Energiya

C) Bosim

D) Deffuziya

14 / 25

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

A) Ochiq bosim

B) Havo qatlami

C) Atmosfera bosimi

D) o’gir bosim

15 / 25

Modda xossasi saqlanib qoladigan eng kichik zarrachaga nima deyiladi

A) fizik jism

B) mexanika

C) molekula

D) Modda

16 / 25

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

A) bug'lanish

B) issiqlikdan kengayish

C) diffuziya

D) Broun harakati

17 / 25

1 millisekund necha sekundga teng

A) 0.001 s

B) 0,0001

C) 0,002

D) 0,2s

18 / 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) 250 km/soat

B) 150 km/soat

C) 200 km/soat

D) 50 km/soat

19 / 25

1 sutka necha soatga teng

A) 50 Soat

B) 24 soat

C) 45 soat

D) 30 soat

20 / 25

Bosim formulasini ko’rsating