A vessel of volume {V}_{0} is evacuated by means of a piston air pump. One piston stroke captures the volume \\Delta{V}=0.2 {V}_{0} . If process is assumed to be isothermal then find the minimum number of strokes after which pressure in the vessel becomes (\frac{1}{1.728})({P}_{\text{initial }}).

JEE Advanced 2021 Full Test 1 Paper 1

SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the second decimal place; e.g. XXXXX.XX).

Question : 18 of 54

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A vessel of volume V0 is evacuated by means of a piston air pump. One piston stroke captures the volume ΔV=0.2V0. If process is assumed to be isothermal then find the minimum number of strokes after which pressure in the vessel becomes (

1.728

)(Pinitial ).

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