Question:

Youngs modules of material of a wire of length ‘L’ and cross-sectional area A is Y. If the length of the wire is doubled and cross-sectional area is halved then Young’s modules will be :

(1) Y/4

(2) 4Y

(3) Y 

(4) 2Y

                                               JEE-2024

Solution:                
Youngs modules of material of a wire of length ‘L’ and cross-sectional area A is Y. If the length of the wire is doubled and cross-sectional area is halved then Young’s modules will be : (1) Y/4 (2) 4Y (3) Y (4) 2Y JEE-2024

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