alleryStart learning →Pressure at the bottom of a 4 m deep water column (rho = 1000 kg/m^3, g = 10 m/s^2) is
A100 Pa only
B4000 Pa only
C400 Pa only
D40000 Pa
Answer & Solution
Correct answer: D. 40000 Pa
1. Use P = h * rho * g.
2. P = 4 * 1000 * 10.
3. = 40000 Pa.
4. So the pressure is 40000 Pa.
_Source: Selina Concise Physics Class 9, Ch 4 Pressure in Fluids and Atmospheric Pressure (Mistral OCR'd PDF), section on numerical examples_
Keep practising Pressure in Fluids and Atmospheric Pressure
Browse all Pressure in Fluids and Atmospheric Pressure questions for ICSE Class 9, or explore more Physics topics.
Related questions
Force on a window of area 0.5 m^2 at depth 10 m in water (rho = 1000, g = 10) isA hydraulic press has small piston area 0.01 m^2 and large piston area 0.2 m^2. A force ofTwo liquids X and Y have densities 800 and 1200 kg/m^3. At depth 2 m the pressures are P_XPressure of a column of mercury 76 cm tall at sea level corresponds toA weather forecast uses changes in atmospheric pressure toAn altimeter in an aircraft measuresAtmospheric pressure decreases with altitude becauseTotal pressure at a depth h in a liquid open to the atmosphere is