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SI unit of length is metre .Suppose we a...

SI unit of length is metre .Suppose we adopt a new unit of length which equals x metre.The area of `1 m^2` expressed in terms of the new unit has a magnitude:

A

`x^(2)`

B

`x^(-1)`

C

`x^1`

D

`x^2`

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JBD PUBLICATION-PHYSICAL WORLD AND MEASUREMENT-EXAMPLE
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