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Multiple choice question

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iz'u&24 voLFkk Qyu D;k gSa\ fofHkUu voLFkk Qyuksa gsrq iz;qDr ladsrksa dks n'kkZrs gq,<br />

Li"V dhft;s\<br />

What do you mean by state function? Explain different functions with their<br />

symbols used?<br />

iz'u&25 vkarfjd ÅtkZ ls D;k vfHkizk; gS\ Å"ekxfrdh ds izFke fu;e dks Li"V djrs<br />

gq, blds fy;s xf.krh; O;atd nhft;s\<br />

What do you understand by internal energy? Explain first law of<br />

thermodynamics and derive its mathematical form.<br />

iz'u&26 ,UFkSYih fdls dgrs gSa\ ,UFkSYih ifjorZu ,oa vkarfjd ÅtkZ ifjorZu ds fy;s<br />

iz;qDr xf.krh; O;atd O;qRiUu dhft;s\<br />

What is enthalpy? Derive mathematical expression for internal energy change<br />

and enthalpy change.<br />

iz'u&27 fdlh jklk;fud vfHkfØ;k esa ,UFkSYih ds mn~xe dk dkj.k Li"V dhft;s\<br />

;g dc /kukRed ,oa dc _.kkRed gksrh gS\<br />

What is the reason for origin of enthalpy? When its value is positive and<br />

when it is negative?<br />

iz'u&28 eksyj Å"ek /kkfjrk;sa fdUgsa dgk tkrk gS\ fLFkj nkc ,oa fLFkj rki ij eksyj<br />

/kkfjrkvksa ds chp lEcU/k (Cp ,oa Cv) ds xf.krh; O;atd LFkkfir dhft;s\<br />

What are molar heat capacities? Derive relationship among Cp (molar heat<br />

capacity at constant pressure) and Cv (molar heat capacities at constant<br />

volume) mathematically?<br />

iz'u&29 �U ,oa �H ds ekiu djus esa ngu Å"ek dh x.kuk gsrq iz;qDr ce dSykjhehVj<br />

dk lfp= o.kZu dhft;s rFkk x.kuk gsrq fy;s tkus okys izs{k.kksa dh lgk;rk<br />

ls xf.krh; lw= dh LFkkiuk dhft;sA<br />

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