Which of the following is an inorganic compound semiconductor?

When a small amount of impurity atoms are added to a semiconductor,then generally its resistivity:

The addition of antimony atoms to a sample of intrinsic germanium transforms it into a material which is:

When a small amount of impurity atoms are added to a semiconductor, then generally its resistivity:

$P$-type semiconductor has acceptor levels $57 \, meV$ above the valence band. The maximum wavelength of light required to create a hole is (Planck's constant $h = 6.6 \times 10^{-34} \, J-s$)

In which of the following statements is the obtained impure semiconductor of $p$-type?