Which of the following pairs does not have th | vedclass

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(B) $1$. Planck's constant $(h)$ has dimensions $[ML^2T^{-1}]$ and angular momentum $(L = mvr)$ also has dimensions $[ML^2T^{-1}]$.$2$. Stress is defi

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Stress and surface tension

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(B) $1$. Planck's constant $(h)$ has dimensions $[ML^2T^{-1}]$ and angular momentum $(L = mvr)$ also has dimensions $[ML^2T^{-1}]$.$2$. Stress is defined as force per unit area,$[ML^{-1}T^{-2}]$. Pressure is also force per unit area,$[ML^{-1}T^{-2}]$.$3$. Force is $[MLT^{-2}]$ and tension is a type of force,so it also has dimensions $[MLT^{-2}]$.$4$. Surface tension is defined as force per unit length,$[MT^{-2}]$.Since stress has dimensions $[ML^{-1}T^{-2}]$ and surface tension has dimensions $[MT^{-2}]$,they do not have the same dimensions.

Which of the following pairs does not have the same dimensions?

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