`{:('अ',,'ब'), (1. "प्राकृतिक रबर",, (a) "विनाइल क्लोराइड"),(2. "बैकेलाइट" ,, (b) "आइसोप्रिन"),(3. "P.V.C.",, (c) "थर्मोसेटिंग प्लास्टिक "):}`

If f={(1,a), (2, b), (1, b), (3,c), (1,c)}, g=(a, p), (b,r), (c,q), (c,p)} , then (gof)^(-1)=

A gaseous system changes from state A(P_(1), V_(1), T_(1)) " to " B(P_(2), V_(2), T_(2)), B " to " C(P_(3), V_(3), T_(3)) and finally from C to A. The whole process may be called

The P.V.'s of A, B are bar(a), bar(b) respectively. The P.V. of 'C' is -3bar(a)+5bar(b) then 'C' lies

The P.V.'s of A, B are bar(a), bar(b) respectively. The P.V. of 'C' is bar(a)/2+bar(b)/3 then 'C' lies