Question

what is quantom dot . explain me.

Answer 1

Quantum dot is semiconductor nano particle. The size of nanoparticles is off range from few nano meters to 100 nano meters. Quantum dots are used in Television's display.
The resolution will be sharper than others.

Answer 2

quantom dot. are small particles which are so small that their optical and e;ectronic properties differ from those of large particles. they are central theme of nanotechonology.