ZnS, CdS, and Bi2S3 films absorb in the range of 350, 500, and 950 nm, respectively. In which regions of the electromagnetic spectrum do these absorptions occur?
ZnS, CdS, and Bi2S3 films absorb in the range of 350, 500, and 950 nm, respectively....
1.Vp and Vg are the phase velocity and group velocity, respectively, of the de Broglie wave for an electron moving with the velocity V, and C is the velocity of light in free space. Which of the following is incorrect? (a) Vp> Vg (b) Vp>C (c) Vg<C (d) Vg=V (e) Vp=V 2.An atomic force microscope (AFM) probe is essentially a cantilever with a nanosized tip at the free end. One scan mode of AFM is to drive the probe as...