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An ideal gas is trapped inside a narrow ...

An ideal gas is trapped inside a narrow test tube of area `A = 20 xx10^(-6) m^2` as shown. Length of gas column below a mercury column of mass 0.002 kg is `L_1` . If the tube is quickly inverted, then gas now occupies a length `L_2` of the tube. Ratio `L_2/L_1 ` is `(101)/(K xx 11)` , find the value of K.

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