Arun
Last Activity: 7 Years ago
The coefficient of real expansion equals the sum of coeffiient of apparent expansion and the coefficient of expansion of vessel.(all being volume expansion. Ar=Aa+AgAg=3*Lg(coefficient of linear expansion)
Ar - Aa = Ag
1 = 3 Lg
Lg = 1/3 = 0.333...%
Regards
Arun (askIITians forum expert)