Graduation Diploma is valid for only one (1) year in order to take the FDNY computer based. exam (Z-50). Candidates who fail the final examination on the second attempt shall be required to re-. attend the course in its entirety.
Quantum dots (QD) are very small semiconductor particles, only several nanometres in size, so small that their optical and electronic properties differ from those of larger particles. They are a central theme in nanotechnology.
Quantum number - Spatial and angular momentum numbers. 1  Four quantum numbers can describe an electron in an atom completely. 2  Principal quantum number (n) 3  Azimuthal quantum number (â) 4  Magnetic quantum number (m) 5  Spin quantum number (s) 6  The spin-orbital interaction, however, relates these numbers.