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AIPMT 2013 Physics and Chemistry Paper
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© examsnet.com
Question : 25
Total: 90
The amount of heat energy required to raise the temperature of
1
g
of Helium at NTP, from
T
1
K
to
T
2
K
is :-
3
4
N
a
k
B
(
T
2
T
1
)
3
8
N
a
k
B
(
T
2
−
T
1
)
3
2
N
a
k
B
(
T
2
−
T
1
)
3
4
N
a
k
B
(
T
2
−
T
1
)
Validate
Solution:
Number of moles in
1
g
He
=
1
4
Amount of heat energy required to raise its temperature from
T
1
K
to
T
2
K
=
nC
v
∆
T
=
(
1
4
)
(
3
2
R
)
(
T
2
−
T
1
)
=
3
8
k
B
N
A
(
T
2
−
T
1
)
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