question_answer

Change in the internal energy of small temperature change\[\Delta T\]for ideal gas is expressed by the relation

A) \[\Delta U={{C}_{v}}\times \Delta T\]

B) \[\Delta \,U={{C}_{P}}\times \Delta T\]

C) \[\Delta \,U=\frac{{{C}_{p}}}{{{C}_{v}}}\Delta T\]              

D) \[\Delta U=({{C}_{p}}-{{C}_{v}})\,\Delta T\]