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Byju's Answer
Standard XII
Physics
Dimensional Analysis
The dimension...
Question
The dimension of
(
1
2
)
ε
0
E
2
is (
ε
0
: permittivity of free space, Electric field)
A
M
L
T
−
1
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B
M
L
2
T
−
2
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C
M
L
−
1
T
−
2
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D
M
L
2
T
−
1
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Solution
The correct option is
A
M
L
−
1
T
−
2
Dimensional formula of permittivity of free space=
[
M
−
1
L
−
3
T
4
A
2
]
Dimensional formula of permittivity of electric field=
[
M
1
L
1
T
−
3
A
−
1
]
Dimensional formula of
1
2
ϵ
0
E
2
=
[
M
1
L
−
1
T
−
2
]
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1
Similar questions
Q.
The dimension of
1
2
ε
0
E
2
(
ε
0
is the permittivity of free space and
E
is electric field), is
Q.
The dimension of
(
1
2
)
ε
0
E
2
is(
ε
0
: permittivity of free space, Electric field)
Q.
Match the following physical quantities with their respective dimensional formula:
(a) Angular Momentum
(e)
[
M
L
2
T
−
3
]
(b) Impulse
(f)
[
M
L
2
T
−
1
]
(c) Pressure
(g)
[
M
L
T
−
1
]
(d) Power
(h)
[
M
L
−
1
T
−
2
]
Q.
If
ε
0
is the permittivity of free space and
E
is the electric field, then the dimensions of
1
2
ε
0
E
2
is
Q.
The dimension of
(
1
2
)
ϵ
0
E
2
are
(
ϵ
0
:
permittivity of free space,
E
:
electric field)
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