A metal wire of length L, area of cross-section A and Young.s modulus Y behaves as a spring of spring constant k.

A metal wire of length L, area of cross-section A and Young.s modulus

1.	A metal wire of length L, area of cross-section A and Young.s modulus Y behaves as a spring of spring constant k.
Answer» `K= YA//L` `k= 2YA//L` `k= YA//2L` `k= YL//A` ANSWER :1