The internal energy $(U),$ pressure $(P)$ and volume $( V )$ of an ideal gas are related as $U =$ $3 P V+4$. The gas is :-
  • A
    Diatomic only
  • B
    Polyatomic only
  • C
    Either monoatomic or diatomic
  • D
    Monoatomic only
JEE MAIN 2021, Diffcult
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