An aluminium sphere of 20cm diameter is heated from 0°C to 100°c . its volume changes by (given that cofficient of linear expansion fir aluminium αᴬᴸ = 23× 10⁻⁶ /°C ) [AIEEE 2011]
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2
Answer:
Cubical expansion
ΔV=γVΔT=3αVΔT [as γ=3α]
=3×23×10
−6
×(
3
4
π10
3
)×100 since r=
2
d
=10cm
=28.9cc
Explanation:
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Answered by
1
Answer:
Cubical expansion
ΔV=γVΔT=3αVΔT [as γ=3α]
=3×23×10^-6×( 4/3π*10^3 )×100 since r= d/2
=10cm
=28.9cc
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