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.
Answer: Quantum numbers are used to describe the position of an electron in an atom. Explanation: Quantum numbers can be used to describe the exact location of an electron. There are four quantum numbers: n - describes the energy level. â - describes the subenergy level (0 to n-1 ) mâ - describes the orbital ( -â to +â ) ms - describes the spin (clockwise or anti clockwise : -Â½ or +Â½) Ramith Hettiarachchi Â· Â· 22 comments Â· Jun 23 2014.