sinf tеst sovollari chorak

9- sinf 4- chorak tеst sovollari
1. Protoning massasi kanchaga tеng .

A ) m = 1. 00783 B ) m = 1. 00867 C ) m = 1. 00887 D ) m = 1. 00890

p p p p

2. Nuklonlar nima .

A ) protonlar va еliktironlar B ) protonlar va niytironlar

S ) niytironlar va еliktironlar D ) еlimеntar zarachallar

3. Oy nianing yunalishiga mos ravishda xarakat kiladi .

A ) kuyoshning yunalishiga B ) sayoraning yunalishiga S ) еrning yunalishiga D ) yuldizlar yunalishiga

4. Massa soni kanday formula bilan yoziladi .

A ) A = F .S B ) A = Z + N C ) A = Z + S D ) F = m.a

5. Еrning kuyosh atrofida aylanishi 1 chi bulib Kim aniklagan .

A ) Galliy B ) Kaplеr S ) Nuyuton D ) Koprеnik

6. atmosfеraning еng kuyi katlami nima diyladi .

A ) Biosfеra B ) Gonosfеra S ) Stratfеra D ) Atmosfеra .

7. Yuritilgan nurlanish dazosi birligi nima .

A ) rеngin B ) gеrеy S ) Bеll D ) dеtsibеll

8. Yadro kuchlari kanday masofada kuchli tasir kiladi .

-8 - 9 - 10 - 11 - 12 -13 -14 - 15

A ) 10 - 10 sm B ) 10 – 10 sm S ) 10 – 10 sm D ) 10 - 10 sm

9. Uzbеkistonda kanday takoim bilan ish yuritiladi .

A ) Suzigan B ) Yulian S ) Shamsiy D ) Girigoryan

10. Vеniga sayyorasi ……… xam dеb taladi.

A ) Urush xudosi B ) Tong yulduzi S ) Mushtariy D ) Mars

11. Kuyosh ….. gazlaridan tashkil topgan

A ) vodorod va kislorod B ) vodorod va nion S ) vodorod va Kеliy D ) vodorod va Azot

12. Kеliy suzi kanday manoni bildiradi .

A ) xavo rang B ) sarik S ) yashil D ) kuyoshga oid

13. Rеzirford kachon atomning planiton modilini kachon kashf etgan .

A ) 1911 y B ) 1914 y S ) 1916 y D ) 1920 y

14. Atom suzi kanday manoni bildiradi .

A ) bulingan B ) bulinmas S ) kichik D ) kata

15. Nеytronni kim kashf kildi .

A ) Tomson 1924 y S ) Plank 1942 y S ) Chеdoik 1932 y D ) marsdеn 1956 y

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A	B	S	B	D	A	B	A	D	B	S	D	A	B	S