We know from bohr model of atom:
mvr = n h/2 pi
We also know that kinetic energy of any particle is given by 1/2 mv^2
we also know by de broglie hypothesis de broglie wavelength = lamda= h/mv
Now you can manipulate these three equations and get the kinetic energy of electron.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile