Which of the following relations gives the magnitude of atmospheric pressure when it…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

Which of the following relations gives the magnitude of atmospheric pressure when it is balanced by a vertical mercury column of height

h

? (a)

P_{atm}=\dfrac{\rho_{Hg}\,g\,h}{13.6}

(b)

P_{atm}=\rho_{Hg}\,g\,h

(c)

P_{atm}=\dfrac{1}{2}\,\rho_{Hg}\,g\,h

(d)

P_{atm}=\rho_{w}\,g\,h