110. The area of cross section of a steel wire

The area of cross section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm² . The force required to double its length will be

(a)  2×10¹² N/m                              (b) 2×10¹¹ N/m

(c)  2×10¹⁰ N/m                               (d) 2×10⁶  N/m

Answer-d

(41)