1.

The dimensions of `1/2 in_(0) E^(2)` (`in_(0)`: permittivity of free space, E: electric field) is-A. `[ML^(2)T^(-1)]`B. `[ML^(-1)T^(-2)]`C. `[ML^(2)T^(-2)]`D. `[MLT^(-1)]`

Answer» Correct Answer - B
`(1)/(2)epsi_(0)E^(2)="Energy density"=("Energy")/("Volume")`
`implies([ML^(2)T^(-2)])/([L^(3)])=[ML^(-1)T^(-2)]`


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