If one indium atom is doped per $5 \times 10^7$ silicon atoms,and the number density of silicon atoms is $5 \times 10^{28} \, \text{atoms}/\text{m}^3$,find the number density of acceptor atoms in $\text{atoms}/\text{cm}^3$.

  • A
    $2.5 \times 10^{30} \, \text{atoms}/\text{cm}^3$
  • B
    $1.0 \times 10^{13} \, \text{atoms}/\text{cm}^3$
  • C
    $1.0 \times 10^{15} \, \text{atoms}/\text{cm}^3$
  • D
    $2.5 \times 10^{36} \, \text{atoms}/\text{cm}^3$

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