A uniform wire fixed at its upper end hangs vertically and supports a weight at its lower end. If its radius is r its length L and Young s modulus for the material of the wire is E the extension is (1) directly proportional to E(2) inversely proportional to r.(3) directly proportional to L
1.if 1 2 3 are correct
2.if 1 2 are correct
3.if 2 3 are correct
4.if 3 only is correct
Answer:4
Posted Date:-2021-09-26 06:05:18