Question

If the ratio of the number density of the gases is 1:2 and the ratio of the diameters of the molecule of the gases is 4:3, then the ratio of mean free path of the molecules of two gases is


plz give me right ans..
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Answer 1

Answer:

Mean free path

λ=

2

πd

2

n

1

N= number of molecules per unit volume, d= diameter of molecules the condition for both gases are identical so n will be constant.

or λ∝

d

2

1

or λ=

2

πd

2

n

1

λ

2

λ

1

=

d

1

2

d

2

2

=

1

2

2

2

λ

1

:λ

2

=4:1