A certain gas is taken to the five s t a t e s represented by dots in the graph. The plotted lines are isotherms. Order of the most probable speed $v_p$ of the molecules at these five states is

Question

A certain gas is taken to the five s t a t e s represented by dots in the graph. The plotted lines are isotherms. Order of the most probable speed $v_p$ of the molecules at these five states is, $v_{p \text { at } 3}>v_{p \text { at } 1}=v_{p \text { at } 2}>v_{p \text { at } 4}=v_p$ at 5, $v_{p \text { at } 1}>v_{p \text { at } 2}=v_{p \text { at } 3}>v_{p \text { at } 4}=v_p$ at 5, $v_{p \text { at } 3}>v_{p \text { at } 2}=v_{p \text { at } 4}>v_{p \text { at } 1}=v_{p \text { at } 5}$, insufficient information to predict the result.

MARKS App · Accepted Answer

Stages 1 and 2 are at the same temperature. Also stages 4 and 5 are at same temperature. As V p ​ is more at higher temperature and same at all stages at equal temperature. ∴ V P 3 ​ ​ > V P 1 ​ ​ = V P 2 ​ ​ > V P 4 ​ ​ = V P 5 ​ ​ .

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