defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Mechanical Properties of Solids Elastic moduli
The Youngs modulus of a wire of length (L) and radius (r) is Υ. If the length is reduced to L/2 and radius to r/2 then its Youngs modulus will be
1
Y/2
2
Y
3
2Y
4
4Y