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Tardigrade
Question
Chemistry
The unit J Pa -1 is equivalent to
Q. The unit
J
P
a
−
1
is equivalent to
1669
185
Some Basic Concepts of Chemistry
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A
m
3
70%
B
c
m
3
7%
C
d
m
3
12%
D
None of these
11%
Solution:
J
P
a
−
1
;
Unit of work is Joule and unit of pressure is Pascal.
Dimension of Joule i.e. work
=
F
×
L
=
M
L
T
−
2
×
L
=
[
M
L
2
T
−
2
]
P
a
1
=
Pressure
1
=
A
F
1
=
F
1
×
A
=
[
M
L
T
−
1
]
So,
J
P
a
−
1
=
[
M
L
2
T
−
2
]
=
[
L
2
×
L
]
=
]
[
L
3
]
.