A) \[\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{-1}}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }\]
B) \[{{M}^{0}}L{{T}^{-2}}\]
C) \[ML{{T}^{-2}}\]
D) \[M{{L}^{2}}{{T}^{-2}}\]
Correct Answer: A
Solution :
The formula for the Youngs modulus \[Y=\frac{\text{stress}}{\text{stain}}\] Dimensions of \[Y=\frac{M{{L}^{-1}}{{T}^{-2}}}{{{M}^{0}}{{L}^{0}}{{T}^{0}}}=M{{L}^{-1}}{{T}^{-2}}\]
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