[density of states | the effective masses of electron (m.)and hole (m,') in si at 300 k are known the rest mass of an electron 9.11 0 kg)calculate the effective density of states in the conduction band (n and in the valence band (n,)

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.