Mahmoud E. Yousif Department of Physics, The University of Nairobi, P.O.Box, 30197 Nairobi, Kenya yousif_474@yahoo.com International Journal of Fundamental Physical Sciences (IJFPS) 5 1 18-31 March, 2015 2231-8186 https://doi.org/10.14331/ijfps.2015.330082 A Radiation Magnetic Force (FM) frequency controlled formula is derived, signifying the embeddement of magnetic force in Electromagnetic Radiation (EM-R) similar in nature to Radiation Magnetic Energy (ERM) or Planck’s formula (hf); both formulas identify Excited Force (FE) and Energy (EE), Interatomic Resistance Force (FR) and Energy (ER), and Photoelectric Effect Force (FP) and Energy (EP). An example of the potassium atom is provided. The paper reestablishes the wave nature of EM-R and provides a foundation for understanding the microscopic world. Photoelectric Effect, Radiation Magnetic Energy, Radiation Magnetic Force, Atomic Model, Spectral Line https://creativecommons.org/licenses/by/4.0/