A) \[[M{{L}^{-1}}{{T}^{-2}}]\]
B) \[[{{M}^{o}}L{{T}^{-2}}]\]
C) \[[ML{{T}^{-2}}]\]
D) \[[M{{L}^{2}}{{T}^{-2}}]\]
Correct Answer: A
Solution :
From the formula, Young's modulus is given by \[Y=\frac{stress}{strain}\] Dimension of \[Y=\frac{Dimensions\,of\,stress}{Dimensions\,of\,strain}\] Dimension of \[Y=\frac{[M{{L}^{-1}}{{T}^{-2}}]}{[{{M}^{o}}{{L}^{o}}{{T}^{o}}]}=[M{{L}^{-1}}{{T}^{-2}}]\]
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