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 = 2 YA/L k = YA/2L k = YL/A Answer :A