A quantum dot is composed of CdS, with a density of4820 kg/m3. (a) Find the number of

Chapter 11, Problem 36

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A quantum dot is composed of CdS, with a density of4820 kg/m3. (a) Find the number of atoms in a sphericalquantum dot of radius 2.50 nm. (b) Model the energylevels of a quantum dot as a one-dimensional infi -nite potential well of 2.0-nm width. What is the lowestenergy level in this well? (c) What is the band gapbetween the n 5 and n 6 levels?

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