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Physics
Physics
Problem
Which one of the following gives the pressure
p
p
p
at a depth
h
h
h
below the free surface of a liquid of density
ρ
\rho
ρ
, if the atmospheric pressure at the surface is
p
0
p_0
p
0
? a)
p
=
p
0
−
ρ
g
h
p = p_0 - \rho g h
p
=
p
0
−
ρ
g
h
b)
p
=
ρ
g
h
p = \rho g h
p
=
ρ
g
h
c)
p
=
p
0
+
ρ
h
p = p_0 + \rho h
p
=
p
0
+
ρ
h
d)
p
=
p
0
+
ρ
g
h
p = p_0 + \rho g h
p
=
p
0
+
ρ
g
h
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