Problem 11.3. Find the change In volume of an aluminum sphere of 0.4m radius when It is heated from 0 to 100°C.
Problem 11.3
Find the change in volume of an aluminium sphere of 0.4m radius when it is heated from0°C to 100 °c?
Solution. .
V1 = 4/3 3.14 r³
V1= 4/3. (3.14)(0.4)³
V1= 0.268 m³
β =3α
β=3×24× 10-⁶
β=7.2 × 10-⁵ k-¹
ΔT =1000- 0=100°c =100k
Using Δv=βv1 ΔT
Δv7.2×10-⁵×0.268×100
Ans is. Δv=0.0019m³
