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Test Index
JEE Main Physics Class 11 Kinetic Theory of Gases Part 1 Questions
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Question : 17
Total: 100
A system consists of two types of gas molecules
A
and
B
having same number density
2
×
10
25
∕
m
3
. The diameter of
A
and
B
are
10
Å
and
5
Å
respectively. They suffer collision at room temperature. The ratio of average distance covered by the molecule
A
to that of
B
between two successive collision is ______
×
10
−
2
[25 Jul 2021 Shift 2]
Your Answer:
Validate
Solution:
∵
mean free path
λ
=
1
√
2
π
d
2
n
λ
1
λ
2
=
d
2
2
n
2
d
1
2
n
1
=
(
5
10
)
2
=
0.25
=
25
×
10
−
2
© examsnet.com
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