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Byju's Answer
Standard XII
Physics
Dimensional Analysis
"Impulse per ...
Question
"Impulse per unit area" has same dimensions as that of
A
coefficient of viscosity
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B
surface tension
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C
bulk modulus
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D
gravitational potential
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Solution
The correct option is
A
coefficient of viscosity
Impulse per unit area
=
f
×
t
L
2
=
M
1
L
1
T
−
2
×
T
1
L
2
=
M
1
L
−
1
T
−
1
Coeff. of viscosity
=
M
1
L
−
1
T
−
1
Surface Tension
=
f
l
=
M
1
L
1
T
−
2
L
=
M
T
−
2
Bulk Modulus
=
d
p
d
v
v
=
M
1
L
−
1
T
−
2
Gravitational poential
=
G
M
r
=
f
o
r
u
×
r
M
a
s
s
=
M
1
L
1
T
−
2
×
L
1
M
1
=
L
2
T
−
2
Hence, option A is correct.
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