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Practice question

MCQ

Question

What is the gauge pressure at a depth of 2.9m in water (ρ\=1000kg/m3)? (Take g\=10m/s2)

Options

Choose one · Correct answer highlighted

Explanation

Gauge pressure: Pg = ρgh. ρ = 1000kg/m3, g = 10m/s2, h = 2.9m. Pg = 1000×10×2.9 = 29000Pa = 2.9×104Pa. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 2.9 × 10⁴ Pa. This satisfies dimensional consistency and physical conditions given, so option C is scientifically correct.

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