Q. 1 B3.9( 28 Votes )

In which of

Answer :

Let V be the initial volume of air that is present in the cylinder.

They have said that a vacuum removes of the air.


Let initial volume (v) = 1 litre


After first removal of air, the remaining will be V1


V1 = 1-


Similarly,


In second attempt it removes of the air remaining.


That means they remove = of air.


So, V2 = -


After third attempt V3 = of air will be remaining.


So, the series will be look like


1, ,


The above series is NOT looking like A.P.


Their common difference is not same.


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