A metallic solid undergoes Frenkel defect. Its original mass, volume and density are $M_0, V_0$ and $D_0$ respectively. After Frenkel defect the mass, volume and density are $M, V$ and $D$ respectively. The variations of $M, V$ and $D$ after Frenkel defect are

Question

A metallic solid undergoes Frenkel defect. Its original mass, volume and density are $M_0, V_0$ and $D_0$ respectively. After Frenkel defect the mass, volume and density are $M, V$ and $D$ respectively. The variations of $M, V$ and $D$ after Frenkel defect are, $M=M_0, V=V_0, D=D_0$, $M < M_0, V < V_0, D < D_0$, $M>M_0, V=V_0, D>D_0$, $M=M_0, V D_0$

MARKS App · Accepted Answer

In Frenkel defect, atoms remain within the solid crystal. Only one vacancy is created. Density remains the same. Thus, $M=M_0, V=V_0$ and $D=D_0$. Hence, the correct option is (a).

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