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(C) To determine which pair does not have the same dimensional formula,we analyze each option:$1$. Work and Torque: Both have the dimensional formula

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stress and linear momentum

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(C) To determine which pair does not have the same dimensional formula,we analyze each option:$1$. Work and Torque: Both have the dimensional formula $[ML^2T^{-2}]$.$2$. Angular momentum and Planck's constant: Both have the dimensional formula $[ML^2T^{-1}]$.$3$. Stress and Linear momentum: Stress is force per unit area,$[ML^{-1}T^{-2}]$. Linear momentum is mass times velocity,$[MLT^{-1}]$. These are not the same.$4$. Surface tension and Force constant: Both have the dimensional formula $[MT^{-2}]$.Therefore,the pair that does not have the same dimensional formula is stress and linear momentum.

Of the following,the pair of physical quantities not having the same dimensional formula is

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