A public park, in the form of a square, has an area of $\left( {100 \pm 0.2} \right){{\rm{m}}^2}$ . The side of park is

$\left( {10.0 \pm 0.1} \right)m$

NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

1 Medium

1 of 1

Application +4 | -1

A public park, in the form of a square, has an area of

\left( {100 \pm 0.2} \right){\mathrm{m}^2}

. The side of park is

View answer and explanation

Correct option: A

\left( {10 \pm 0.01} \right)m

Option A (

\left( {10 \pm 0.01} \right)m

) is correct because the side is the square root of the area, and the percentage error in the side is half the percentage error in the area.