A wire of a substance is elongated to double its length such that its density remains unchanged. Poisson’s ratio of the substance is (1) 0.2 (2) 0.1 (3) – 1 (4) 0.5 Share with your friends Share 11 Ravi Gupta answered this poission's ration = chnage in length original length = LL = 1 -33 View Full Answer