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EasyRe-NEET 2026
+4 / -1
The mean free path of molecules in an ideal gas A is half that of another ideal gas B. The diameter of the spherical molecules of gas A is twice the diameter of the molecules of B. If number densities of the gases A and B are nA and nB, respectively, then the correct option is :
A
nA = nB
B
nA = 2nB
C
nA = 1/4 nB
D
nA = 1/2 nB

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