1.

The dimensions of intensity of wave are

Answer»

`[ L° M T^(–3)]`
`[ L^(1) M^(2) T^(–2)]`
`[ L^(2) M T^(–2)]`
`[ L^(2) M^(2) T^(–3)]`

Solution :Intensity = `("ENERGY")/("area"xx"time")`
`=[(McancelL^(2)T^(-2))/(cancelL^(2)T)]=[MT^(-3)]=[ML^(@)T^(-3)]`


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