The SI unit of a physical quantity is [ $J m^{- 2}$ ]. The dimensional formula for that quantity is:

M^{1} L^{- 2}

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M^{1} L^{0} T^{- 2}

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M^{1} L^{2} T^{- 1}

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M^{1} L^{- 1} T^{- 2}

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Solution

The correct option is B $M^{1} L^{0} T^{- 2}$
$[J m^{- 2}] = [\frac{M^{1} L^{2} T^{- 2}}{L^{2}}] = [M^{1} L^{0} T^{- 2}]$

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