Question

The gauge pressure 1 mm below the water surface open to the atmosphere is [Density of water = 10³ kg/m³, atmospheric pressure = 101.3 kPa, g = 10 m/s²]

विकल्प

• 101310 Pa

• 101290 Pa

• 10 Pa

• 1.0 Pa

Answer 1

10 Pa

Explanation: 

Gauge pressure, p − p₀ = hpg

= (10⁻³)(10³)(10)

= 10 pa