Question bank/JEE Main/Physics

A ring shaped tube contains two ideal gases with equal masses
and atomic mass numbers M_1­=32 and M_2=28. The gases are separated by
one fixed partition X and another movable conducting partition Y which
can move freely without friction inside the ring. The angle is $\alpha$,
in equilibrium as shown in thefigure (in degrees). Find the value
of$\frac{\alpha}{48}$.,d vkdkj dh Vîqc esa nks vkn'kZ xSl ftu vyx&vyx dh tkrh gS rFkk nqljk foektd,d
xfreku pkydfoHkktd Y tks fcuk ?k"kZ.k xfr dj ldrk gSA
fp=kuqlkj dks.k α ¼fMxzh esa½ rks [IMAGE]

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At equilibrium, pressure and temperature are same.
rFkk rki leku
Also, let cross-sectional area of tube be A and radius of ring be r.
ekuk nkc

Source: Grass-G / Ph-25 Physics paper 7 Jan.docx