Let us consider a system of units in which mass and angular momentum are dimensionless. If length dimension of L , which of the following statement (s) is/are correct ?

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(A) Force [ F ] = [ M L T − 2 ] = 1 × L × ( L 2 ) − 2 = L − 3 ✔ (B) Energy [ E ] = [ F L ] = L − 3 × L = L − 2 ✔ (C) Power [ P ] = [ T ] [ E ] ​ = L 2 L − 2 ​ = L − 4 ✖ (D) Linear momentum [ p ] = [ M L T − 1 ] = 1 × L × ( L 2 ) − 1 = L − 1 ✔

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