Question

A square steel plate with sides of length 1.00 m has a hole in its center 0.100 m in diameter. If the entire plate is heated to such a temperature that its sides become 1.01 m long, the diameter of the hole will be 

(A) 0.090 m 

(B) 0.099 m 

(C) 0.100 m 

(D) 0.101 m 

(E) 0.110 m 

Answer 1

Correct option (D) 0.101m

In linear expansion, every linear dimension of an object changes by the same fraction when heated or cooled.