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Class 11 NEET Physics Thermodynamics and Kinetic Theory
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© examsnet.com
Question : 9
Total: 105
The temperature of a gas is
−
50
∘
C
. To what temperature the gas should be heated so that the rms speed is increased by 3 times?
[NEET 2023]
3295
∘
C
3097
K
223
K
669
∘
C
Validate
Solution:
👈: Video Solution
v
rms
=
√
3
R
T
m
T
1
=
273
−
50
v
rms
∝
√
T
=
223
K
v
rms
is increased by 3 times
T
2
=
?
So, final rms speed
=
v
+
3
v
=
4
v
v
1
v
2
=
√
T
1
T
2
v
4
v
=
√
223
T
2
⇒
1
16
=
223
T
2
T
2
=
3568
K
T
2
=
3568
−
273
=
3295
∘
C
© examsnet.com
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