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Physics
Physics
Problem
Which of the following relations gives the magnitude of atmospheric pressure when it is balanced by a vertical mercury column of height
h
h
h
? a)
P
a
t
m
=
ρ
H
g
g
h
13.6
P_{atm}=\dfrac{\rho_{Hg}\,g\,h}{13.6}
P
a
t
m
=
13.6
ρ
H
g
g
h
b)
P
a
t
m
=
ρ
H
g
g
h
P_{atm}=\rho_{Hg}\,g\,h
P
a
t
m
=
ρ
H
g
g
h
c)
P
a
t
m
=
1
2
ρ
H
g
g
h
P_{atm}=\dfrac{1}{2}\,\rho_{Hg}\,g\,h
P
a
t
m
=
2
1
ρ
H
g
g
h
d)
P
a
t
m
=
ρ
w
g
h
P_{atm}=\rho_{w}\,g\,h
P
a
t
m
=
ρ
w
g
h
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