Question:
Young’s 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 :
Young’s 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 :
Updated On: Nov 11, 2024
- \( \frac{Y}{4} \)
- \( 4Y \)
- \( Y \)
- \( 2Y \)
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The Correct Option is C
Solution and Explanation
Young’s modulus Y is a material property and does not change with the dimensions of the
sample. Thus, even if length is doubled and area is halved, Y remains the same.
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