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7-sinf NI va Lab Dildoraxon 2022

Laboratoriya ishi-2 
Mavzu: Turli shakldagi jismlarning zichligini aniqlash.
Maqsad:To„g„ri geometric shakldagi va to„g„ri geometrik shaklga ega bo„lmagan 
jismlarning zichligini aniqlash.
Kerakli asbob va jihozlar:to„g„ri parallelepiped shakldagi plastmassa, yog„och va 
metall brusok jismlar, elektron tarozi, chizg„ich, menzurka, suv, ip, vint.
1 To„g„ri geometrik shaklga ega bo„lgan jismlarning zichligini aniqlash. Ishni 
bajarish tartibi:  
To„g„ri parallelepiped shakldagi jismlarning zichligini aniqlash
1.Parallelepiped shakldagi jismlarning massalari (m)ni tarozida o„lchang.


2.Parallelepiped asosining uzunligi a, eni b va balandligi ni chizg„ich yordamida 
o„lchang.
3. 
Parallelepiped shakldagi jismlarning hajmlarini V=a∙b∙h formulaga ko„ra 
hisoblang.
4. Parallelepiped shakldagi jismlarning zichligini ρ=m/V formulaga ko„ra hisoblang 
va uning son qiymatini jadvalga yozing. 
5.O„lchangan va hisoblangan natijalarni jadvalga yozing.
Jismlar
m, (g)
Uzunlig
i a, (cm)
Eni 
b, 
(cm)
Balandli
gi h, (cm)
V, (c
𝑚
3

ρ,
(g/ c
𝑚
3

Plastmas
sa brusok
Yog„och 
brusok
Metall 
brusok
Ishning 
natijalari:________________________________________________________________
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