The energy level structure of semiconductor materials is not a discrete single-valued energy level, but a band structure with a certain width, called .
A: Energy band
B: Valence band
C: Conduction band
D: Forbidden band
A: Energy band
B: Valence band
C: Conduction band
D: Forbidden band
举一反三
- There is a certain type of band called a boy band. What is a boy band? </p></p>
- The sound of a band is rated as 50 dB at a distance of 30.0 m. What is the dB sound level of the band when one is 10.0 m from the band? A: 59.5 dB B: 57.3 dB C: 55.2 dB D: 52.9 dB E: 50.1 dB
- Which of the following mechanisms can be used in order to split a high energy photon in two (or more) lower energy photons? A: Multi-junction B: Up-conversion C: Down-conversion D: Intermediate band
- On May.25, 1992 the British music newspaper Melody Maker featured a band on the cover with the headline "The Best New Band in Britain" before the band released their first single. The band is _________.
- (4) A. bank B. band A: bank B: band