Question

9. When a certain weight is suspended from a long uniform wire, its length increases by 2 cm. If the same
weight is suspended from another wire of the same material and length but having a diameter half of the
first one, the increase in length will be
(A) 0.5 cm
(B) 2 cm
(C) 4 cm
(D) 8 cm​

Answer 1

Answer:

I think (C) 4 I am not sure