When an ideal monoatomic gas is heated at constant \( \mathrm{P} \) pressure, the fraction of he...

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When an ideal monoatomic gas is heated at constant
\( \mathrm{P} \) pressure, the fraction of heat energy supplied which increases

WV the internal energy of the gas is :
(A) \( \frac{2}{5} \)
(B) \( \frac{3}{5} \)
(C) \( \frac{3}{7} \)
(D) \( \frac{3}{4} \)
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