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Physics
Physics
Problem
For a gas, the speed of sound is expressed as
v
=
γ
P
/
ρ
v = \sqrt{\gamma P/\rho}
v
=
γ
P
/
ρ
, where
P
P
P
is pressure,
ρ
\rho
ρ
is density and
γ
\gamma
γ
is a constant. The dimensional formula for
γ
\gamma
γ
is a)
M
0
L
2
T
−
2
M^{0}L^{2}T^{-2}
M
0
L
2
T
−
2
b) Dimensionless c)
M
0
L
−
1
T
1
M^{0}L^{-1}T^{1}
M
0
L
−
1
T
1
d)
M
L
−
1
T
−
2
M\,L^{-1}T^{-2}
M
L
−
1
T
−
2
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