Determine the number \left(\# / \mathrm{cm}^{3}\right) of quantum states in silicon between E_{c} and E_{c}+ k T at T=300 \mathrm{~K}.
Determine the number \left(\# / \mathrm{cm}^{3}\right) of quantum states in silicon between E_{c} and E_{c}+ k T at T=300 \mathrm{~K}.