Question

A wire suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored'in the wire is:

(a) 20 J

(b) 0.1 J

(c) 0.2 J

(d) 10 J

Answer 1

Correct option is : (b) 0.1 J