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open HCV - 2 chapter - Kinetic Theory of Gases ......... Now in the assumptions of KTG .. the last assumption is explained by taking examples........ i have a problem there... the first example is clear... in the second example, it says that, for a gas, if there are 400 molecules in 1cm 3 having velocity along x-direction , then there will be 400 molecules in some other 1cm 3 having velocity along x-direction. (upto here, its clear) Then it says, that also there will be 400 molecules in 1cm 3 having velocity along y-direction. This the centre of confusion. Does existence of 400 molecules having velocity along x-direction in 1cm 3 of a gas imply that there will be exactly 400 molecules having velocity along y-direction in 1cm 3 of the gas ????? If yes,then how can we conclude ???... there is no mention about this in the assumptions of KTG. If no, then why does the book say so ??...


open HCV - 2 chapter - Kinetic Theory of Gases  .........
 
Now in the assumptions of KTG .. the last assumption is explained by taking examples........ i have a problem there...
 
the first example is clear...
 
in the second example, it says that, for a gas, if there are 400 molecules in 1cm3 having velocity along x-direction , then there will be 400 molecules in some other 1cm3 having velocity along x-direction. (upto here, its clear)
Then it says, that also there will be 400 molecules in 1cm3 having velocity along y-direction.
This the centre of confusion.
Does existence of 400 molecules having velocity along x-direction in 1cm3 of a gas imply that there will be exactly 400 molecules having velocity along y-direction in 1cm3 of the gas ?????
 
If yes,then how can we conclude ???... there is no mention about this in the assumptions of KTG.
If no, then why does the book say so ??...


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