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Byju's Answer
Standard XII
Physics
Stress-Strain Graph
If the volume...
Question
If the volume density of the elastic deformation energy in fresh water at the depth of
h
=
1000
m
is
x
K
J
/
m
3
, find the value of
x
5
.(rounded off to nearest integer)
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Solution
Energy density is given by
1
2
×
S
t
r
e
s
s
×
S
t
r
a
i
n
.
Stress is the pressure,
ρ
g
h
,
Strain
=
β
ρ
g
h
, by the definition of
β
.
Thus,
u
=
1
2
β
(
ρ
g
h
)
2
=
23.5
k
J
/
m
3
Thus,
2
x
=
47
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