1.

The coefficient of linear expansion alpha of the material of a rod of length 1.5m varies with absolute temperature T as alpha= a T- b T^(2) where a = 2.4 xx 10^(-8) //K^(2) and b= 4.2 xx 10^(-12) //K^(3), Determine the total linear expansion of the rod when heated from room temperature (27^(@) C) to ( 127^(@) C)

Answer»

2.206 mm
10 mm
2.2 mm
4 mm

Answer :A


Discussion

No Comment Found