Gaseous StateHard

Question

The mass of molecule A is twice that of molecule B. The root mean square velocity of molecule A is twice that of molecule B. If two containers of equal volume have same number of molecules, the ratio of pressure PA/PB will be :

Options

A.8 : 1
B.1 : 8
C.4 : 1
D.1 : 4

Solution

mA = 2 mB
uA = 2 uB
nA = nB
vA = vB

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