Tardigrade
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Tardigrade
Question
Physics
If momentum [ P ], area [ A ] and time [ T ] are taken as fundamental quantities, then the dimensional formula for coefficient of viscosity is :
Q. If momentum
[
P
]
, area
[
A
]
and time
[
T
]
are taken as fundamental quantities, then the dimensional formula for coefficient of viscosity is :
270
141
JEE Main
JEE Main 2022
Physical World, Units and Measurements
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A
[
P
A
−
1
T
0
]
B
[
P
A
T
−
1
]
C
[
P
A
−
1
T
]
D
[
P
A
−
1
T
−
1
]
Solution:
Viscosity
=
pascal.second
P
x
A
y
T
z
=
[
M
1
L
−
1
T
−
1
]
[
M
1
L
+
1
T
−
1
]
x
[
L
2
]
y
[
T
1
]
z
=
M
1
L
−
1
T
−
1
M
x
L
+
x
+
2
y
T
−
x
+
z
=
M
1
L
−
1
T
−
1
x
=
1
x
+
2
y
=
−
1
−
x
+
z
=
−
1
y
=
−
1
z
=
0
Viscosity
=
P
1
A
−
1
T
0