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KEAM 2013 Physics and Chemistry Paper
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© examsnet.com
Question : 32
Total: 120
The bulk modulus of a liquid of density 8000
k
g
−
3
is
2
×
10
9
N
m
−
2
.
The speed of sound in that liquid is (in
m
s
−
1
)
200
250
100
350
500
Validate
Solution:
Given,
ρ
=
8000
k
g
m
−
3
and
B
=
2
×
10
9
N
m
−
2
We know the velocity of sound in liquid is
v
=
√
B
ρ
v
=
√
2
×
10
9
8000
v
=
√
1
4
×
10
6
v
=
1000
2
=
500
m
s
−
1
© examsnet.com
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