JEE PHYSICS MCQ: UNITS & MEASUREMENTS

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Application +4 | -1

The SI unit of length is the metre. Suppose we adopt a new unit of length which equal x metre. The area of

1{m^2}

expressed in terms of the new unit has a magnitude

View answer and explanation

Correct option: D

{x^{ - 2}}

Option D (

{x^{ - 2}}

) is correct because if 1 new unit equals x meters, then 1 square meter equals 1/x² in the new units.

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