Question

MUN (ii) (3) The dimensional formula of energy is : (a) [MLT-2] (b) [MLT-2] (c) [M?L?T-21 (d) [MLT-1]​

Answer 1

Dimension formula of energy

= $[ᴍʟ {}^{2} ᴛ{}^{-2}]$

Method :

Energy =$Force \times Displacement$

$= N \times M$

$= [MLT {}^{ - 2}] \times[ T ]$

= $[ᴍʟ {}^{2} ᴛ{}^{-2}]$

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