A wire of length 60 cm is bent into a circle with a gap of 1 cm at its ends. On heating it by 100^(@) C. the length of the gap increases to 1.02 "cm".alpha of material of wire is

A wire of length 60 cm is bent into a circle with a gap of 1 cm at its

1.	A wire of length 60 cm is bent into a circle with a gap of 1 cm at its ends. On heating it by 100^(@) C. the length of the gap increases to 1.02 "cm".alpha of material of wire is
Answer» `2 xx 10^(-4) //^(@) C` `4 xx 10^(-1) //^(@) C` `6 xx 10^(-1) //^(@) C` `1 xx 10^(-4) //^(@) C` Answer :A