The following observations were taken for determining surface tension T of water by capillary method: diameter of capillary, D = 1.25 × 10⁻² m rise of water, h = 1.45 × 10⁻²m Using g = 9.80 m/s² and the simplified relation T = rhg/2 × 10³N/m, the possible error in surface tension is closest to:

Units and Measurements: JEE Main 2017 Physics question

JEE Main 2017 · Session, Shift 1 · Q8291

JEE Main 2017Session, Shift 1PhysicsMediumUnits and Measurements122× since 2002

The following observations were taken for determining surface tension T of water by capillary method: diameter of capillary, D = 1.25

\times

10⁻² m rise of water, h = 1.45

\times

10⁻²m Using g = 9.80 m/s² and the simplified relation T =

{{rhg} \over 2} \times {10^3}N/m

, the possible error in surface tension is closest to :

JEE Main 2017 Units and Measurements Question with Solution (Session Shift 1, Q8291) | JEE Arc