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(3) kgms (4) kgms-2 51. The dimensions of (ugo)-1/2 are (1) [L 1/2T-1/2] (2) [L-17] (3) [LT-') (4) [L1/2912] 52. The dimensions of Mo are (1) [M'L-1/2T1/21 (2) [M1L1/2"-1/2) (3) [L-'T] (4) [M'L'T-2A-2] 3. The density of a material in CGS system of units is 4 g/cm3. In a system of units in which unit of

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