Practice question
Question
What is the gauge pressure at a depth of 2.4m in whole blood (ρ\=1.06×103kg/m3)? (Take g\=10m/s2)
Explanation
Gauge pressure: Pg = ρgh. ρ = 1.06×103kg/m3, g = 10m/s2, h = 2.4m. Pg = 1.06×103×10×2.4 = 25440Pa. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 2.5 × 10⁴ Pa. This satisfies dimensional consistency and physical conditions given, so option B is scientifically correct.